| aminopherase | (noun) a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) | Synonyms: aminotransferase, transaminase |
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| aminotransferase | (noun) a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) | Synonyms: aminopherase, transaminase |
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| amylase | (noun) any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar | - |
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| anaphase | (noun) the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle | - |
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| anticholinesterase | (noun) a medicine that inhibits cholinesterase by combining with it and so has a cholinergic effect | - |
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| asparaginase | (noun) antineoplastic drug (trade name Elspar) sometimes used to treat lymphoblastic leukemia | Synonyms: Elspar |
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| base | (noun) a support or foundation | Synonyms: pedestal, stand |
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| (noun) lowest support of a structure | Synonyms: foot, foundation, fundament, groundwork, substructure, understructure |
| (noun) a place that the runner must touch before scoring | Synonyms: bag |
| (noun) (electronics) the part of a transistor that separates the emitter from the collector | - |
| (noun) installation from which a military force initiates operations | Synonyms: base of operations |
| (noun) a flat bottom on which something is intended to sit | - |
| (noun) the stock of basic facilities and capital equipment needed for the functioning of a country or area | Synonyms: infrastructure |
| (noun) the principal ingredient of a mixture | - |
| (noun) the fundamental assumptions from which something is begun or developed or calculated or explained | Synonyms: basis, cornerstone, foundation, fundament, groundwork |
| (noun) (linguistics) the form of a word after all affixes are removed | Synonyms: radical, root, root word, stem, theme |
| (noun) a lower limit | Synonyms: floor |
| (noun) (anatomy) the part of an organ nearest its point of attachment | - |
| (noun) the place where you are stationed and from which missions start and end | Synonyms: home |
| (noun) the bottom or lowest part | - |
| (noun) (numeration system) the positive integer that is equivalent to one in the next higher counting place | Synonyms: radix |
| (noun) the most important or necessary part of something | Synonyms: basis |
| (noun) the bottom side of a geometric figure from which the altitude can be constructed | - |
| (noun) any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Synonyms: alkali |
| (noun) a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA) | Synonyms: nucleotide |
| bookcase | (noun) a piece of furniture with shelves for storing books | - |
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| braincase | (noun) the part of the skull that encloses the brain | Synonyms: brainpan, cranium |
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| briefcase | (noun) a case with a handle; for carrying papers or files or books | - |
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| carcase | (noun) the dead body of an animal especially one slaughtered and dressed for food | Synonyms: carcass |
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| cardcase | (noun) a small case for carrying business cards | - |
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| case | (noun) a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy | Synonyms: causa, cause, lawsuit, suit |
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| (noun) a portable container for carrying several objects | - |
| (noun) a glass container used to store and display items in a shop or museum or home | Synonyms: display case, showcase, vitrine |
| (noun) bed linen consisting of a cover for a pillow | Synonyms: pillow slip, pillowcase, slip |
| (noun) (printing) the receptacle in which a compositor has his type, which is divided into compartments for the different letters, spaces, or numbers | Synonyms: compositor's case, typesetter's case |
| (noun) the housing or outer covering of something | Synonyms: casing, shell |
| (noun) the enclosing frame around a door or window opening | Synonyms: casing |
| (noun) an enveloping structure or covering enclosing an animal or plant organ or part | Synonyms: sheath |
| (noun) the actual state of things | - |
| (noun) nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentence | Synonyms: grammatical case |
| (noun) a statement of facts and reasons used to support an argument | - |
| (noun) a problem requiring investigation | - |
| (noun) a specific size and style of type within a type family | Synonyms: face, font, fount, typeface |
| (noun) an occurrence of something | Synonyms: example, instance |
| (noun) a person who is subjected to experimental or other observational procedures; someone who is an object of investigation | Synonyms: guinea pig, subject |
| (noun) a person requiring professional services | - |
| (noun) a person of a specified kind (usually with many eccentricities) | Synonyms: character, eccentric, type |
| (noun) the quantity contained in a case | Synonyms: caseful |
| (noun) a special set of circumstances | Synonyms: event |
| (noun) a specific state of mind that is temporary | - |
| caspase | (noun) any of a group of proteases that mediate apoptosis | - |
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| catalase | (noun) enzyme found in most plant and animal cells that functions as an oxidative catalyst; decomposes hydrogen peroxide into oxygen and water | - |
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| catchphrase | (noun) a phrase that has become a catchword | Synonyms: catch phrase |
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| cease | (noun) (`cease' is a noun only in the phrase `without cease') end | - |
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| chase | (noun) the act of pursuing in an effort to overtake or capture | Synonyms: following, pursual, pursuit |
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| (noun) a rectangular metal frame used in letterpress printing to hold together the pages or columns of composed type that are printed at one time | - |
| cholinesterase | (noun) an enzyme that hydrolyses acetylcholine (into choline and acetic acid) | - |
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| chrysoprase | (noun) a green variety of chalcedony valued as a gemstone | - |
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| coagulase | (noun) an enzyme that induces coagulation | - |
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| cocarboxylase | (noun) a coenzyme important in respiration in the Krebs cycle | Synonyms: thiamine pyrophosphate |
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| collagenase | (noun) any enzyme that catalyzes the hydrolysis of collagen and gelatin | - |
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| convertase | (noun) any of several enzymes that convert a compound into smaller, biologically-active compounds. | - |
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| crankcase | (noun) housing for a crankshaft | - |
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| crease | (noun) a Malayan dagger with a wavy blade | Synonyms: creese, kris |
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| (noun) a slight depression or fold in the smoothness of a surface | Synonyms: crinkle, furrow, line, seam, wrinkle |
| (noun) an angular or rounded shape made by folding | Synonyms: bend, crimp, flexure, fold, plication |
| cyclooxygenase | (noun) either of two related enzymes that control the production of prostaglandins and are blocked by aspirin | Synonyms: Cox |
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| database | (noun) an organized body of related information | - |
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| decarboxylase | (noun) any of the enzymes that hydrolize the carboxyl group | - |
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| decease | (noun) the event of dying or departure from life | Synonyms: death, expiry |
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| decrease | (noun) the act of decreasing or reducing something | Synonyms: diminution, reduction, step-down |
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| (noun) the amount by which something decreases | Synonyms: decrement |
| (noun) a change downward | Synonyms: drop-off, lessening |
| (noun) a process of becoming smaller or shorter | Synonyms: decrement |
| disaccharidase | (noun) an enzyme that catalyzes the hydrolysis of disaccharides into monosaccharides | - |
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| disease | (noun) an impairment of health or a condition of abnormal functioning | - |
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| doorcase | (noun) the frame that supports a door | Synonyms: doorframe |
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| ease | (noun) freedom from activity (work or strain or responsibility) | Synonyms: relaxation, repose, rest |
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| (noun) freedom from difficulty or hardship or effort | Synonyms: easiness, simpleness, simplicity |
| (noun) freedom from constraint or embarrassment | Synonyms: informality |
| (noun) a freedom from financial difficulty that promotes a comfortable state | Synonyms: comfort |
| (noun) the condition of being comfortable or relieved (especially after being relieved of distress) | Synonyms: relief |
| elastase | (noun) a pancreatic enzyme that catalyzes the hydrolysis of elastin | - |
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| endonuclease | (noun) a nuclease that cleaves nucleic acids at interior bonds and so produces fragments of various sizes | - |
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| enterokinase | (noun) enzyme in the intestinal juice that converts inactive trypsinogen into active trypsin | - |
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| exonuclease | (noun) a nuclease that releases one nucleotide at a time (serially) beginning at one of a nucleic acid | - |
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| fanbase | (noun) All of the fans or devotees of something | - |
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| fibrinase | (noun) in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot | Synonyms: factor XIII |
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| firebase | (noun) an artillery base to support advancing troops | - |
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| grease | (noun) anything regarded as making something unclean | Synonyms: dirt, filth, grime, grunge, soil, stain |
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| (noun) a thick fatty oil (especially one used to lubricate machinery) | Synonyms: lubricating oil |
| gynobase | (noun) the enlarged receptacle in which the pistil is borne | - |
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| heartsease | (noun) the absence of mental stress or anxiety | Synonyms: ataraxis, peace, peace of mind, peacefulness, repose, serenity |
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| (noun) common Old World viola with creamy often violet-tinged flowers | Synonyms: field pansy, Viola arvensis |
| (noun) violet of Pacific coast of North America having white petals tinged with yellow and deep violet | Synonyms: two-eyed violet, Viola ocellata |
| (noun) a common and long cultivated European herb from which most common garden pansies are derived | Synonyms: Johnny-jump-up, love-in-idleness, pink of my John, Viola tricolor, wild pansy |
| histaminase | (noun) enzyme that acts as a catalyst in converting histidine to histamine | - |
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| hyaluronidase | (noun) an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids | Synonyms: Hyazyme, spreading factor |
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| idocrase | (noun) a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone | Synonyms: vesuvian, vesuvianite |
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| increase | (noun) the act of increasing something | Synonyms: step-up |
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| (noun) the amount by which something increases | Synonyms: increment |
| (noun) a change resulting in an increase | - |
| (noun) a process of becoming larger or longer or more numerous or more important | Synonyms: growth, increment |
| (noun) a quantity that is added | Synonyms: addition, gain |
| invertase | (noun) an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose | Synonyms: saccharase, sucrase |
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| isobase | (noun) a line drawn on a map or chart connecting places of equal or constant land upheaval. | - |
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| isomerase | (noun) an enzyme that catalyzes its substrate to an isomeric form | - |
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| kinase | (noun) an enzyme that catalyzes the conversion of a proenzyme to an active enzyme | - |
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| lactase | (noun) any of a group of enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactose | Synonyms: Lactaid |
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| lease | (noun) a contract granting use or occupation of property during a specified time for a specified payment | - |
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| (noun) property that is leased or rented out or let | Synonyms: letting, rental |
| (noun) the period of time during which a contract conveying property to a person is in effect | Synonyms: term of a contract |
| lipase | (noun) an enzyme secreted in the digestive tract that catalyzes the breakdown of fats into individual fatty acids that can be absorbed into the bloodstream | - |
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| lowercase | (noun) the characters that were once kept in bottom half of a compositor's type case | Synonyms: lower-case letter, minuscule, small letter |
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| metaphase | (noun) the second stage of mitosis | - |
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| (noun) the second stage of meiosis | - |
| muramidase | (noun) an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria | Synonyms: lysozyme |
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| nitrogenase | (noun) an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia | - |
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| notecase | (noun) a pocket-size case for holding papers and paper money | Synonyms: billfold, pocketbook, wallet |
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| nuclease | (noun) general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units | - |
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| nutcase | (noun) someone deranged and possibly dangerous | Synonyms: crazy, looney, loony, weirdo |
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| oligoclase | (noun) any of a series of triclinic feldspars that form rocks | Synonyms: plagioclase |
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| orthoclase | (noun) a white or colored monoclinic feldspar | - |
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| oxidase | (noun) any of the enzymes that catalyze biological oxidation | - |
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| oxidoreductase | (noun) an enzyme that catalyzes oxidation-reduction | - |
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| oxygenase | (noun) an oxidoreductase that catalyzes the incorporation of molecular oxygen | - |
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| paraphrase | (noun) rewording for the purpose of clarification | Synonyms: paraphrasis |
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| penicillinase | (noun) enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic | Synonyms: beta-lactamase |
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| peptidase | (noun) any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis | Synonyms: protease, proteinase, proteolytic enzyme |
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| periclase | (noun) a white solid mineral that occurs naturally as periclase; a source of magnesium | Synonyms: magnesia, magnesium oxide |
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| peroxidase | (noun) any of a group of enzymes (occurring especially in plant cells) that catalyze the oxidation of a compound by a peroxide | - |
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| phase | (noun) (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun) | - |
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| (noun) (physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary | Synonyms: form |
| (noun) any distinct time period in a sequence of events | Synonyms: stage |
| (noun) a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle | Synonyms: phase angle |
| phosphatase | (noun) any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates | - |
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| phrase | (noun) dance movements that are linked in a single choreographic sequence | - |
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| (noun) an expression consisting of one or more words forming a grammatical constituent of a sentence | - |
| (noun) a short musical passage | Synonyms: musical phrase |
| (noun) an expression whose meanings cannot be inferred from the meanings of the words that make it up | Synonyms: idiom, idiomatic expression, phrasal idiom, set phrase |
| pillowcase | (noun) bed linen consisting of a cover for a pillow | Synonyms: case, pillow slip, slip |
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| plagioclase | (noun) any of a series of triclinic feldspars that form rocks | Synonyms: oligoclase |
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| polymerase | (noun) an enzyme that catalyzes the formation of new DNA and RNA from an existing strand of DNA or RNA | - |
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| prophase | (noun) the first stage of mitosis | - |
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| (noun) the first stage of meiosis | - |
| protease | (noun) any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis | Synonyms: peptidase, proteinase, proteolytic enzyme |
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| proteinase | (noun) any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis | Synonyms: peptidase, protease, proteolytic enzyme |
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| prothrombinase | (noun) coagulation factor that is converted to an enzyme that converts prothrombin to thrombin in a reaction that depends on calcium ions and other coagulation factors | Synonyms: factor X |
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| purchase | (noun) the acquisition of something for payment | - |
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| (noun) the mechanical advantage gained by being in a position to use a lever | Synonyms: leverage |
| (noun) a means of exerting influence or gaining advantage | - |
| (noun) something acquired by purchase | - |
| pyocyanase | (noun) a yellow-green mixture of antibiotics obtained from the bacillus of green pus | - |
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| reductase | (noun) an enzyme that catalyses the biochemical reduction of some specified substance | - |
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| release | (noun) activity that frees or expresses creative energy or emotion | Synonyms: outlet, vent |
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| (noun) the act of liberating someone or something | Synonyms: freeing, liberation |
| (noun) the termination of someone's employment (leaving them free to depart) | Synonyms: discharge, dismissal, dismission, firing, liberation, sack, sacking |
| (noun) the act of allowing a fluid to escape | Synonyms: spill, spillage |
| (noun) a formal written statement of relinquishment | Synonyms: discharge, waiver |
| (noun) (music) the act or manner of terminating a musical phrase or tone | Synonyms: tone ending |
| (noun) merchandise issued for sale or public showing (especially a record or film) | - |
| (noun) a device that when pressed will release part of a mechanism | Synonyms: button |
| (noun) an announcement distributed to members of the press in order to supplement or replace an oral presentation | Synonyms: handout, press release |
| (noun) a legal document evidencing the discharge of a debt or obligation | Synonyms: acquittance |
| (noun) euphemistic expressions for death | Synonyms: departure, exit, expiration, going, loss, passing |
| (noun) a process that liberates or discharges something | - |
| repurchase | (noun) the act of purchasing back something previously sold | Synonyms: buyback, redemption |
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| ribonuclease | (noun) a transferase that catalyzes the hydrolysis of ribonucleic acid | Synonyms: ribonucleinase, RNase |
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| ribonucleinase | (noun) a transferase that catalyzes the hydrolysis of ribonucleic acid | Synonyms: ribonuclease, RNase |
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| saccharase | (noun) an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose | Synonyms: invertase, sucrase |
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| secretase | (noun) a set of enzymes believed to snip pieces off a longer protein producing fragments of amyloid protein that bunch up and create amyloid protein plaques in brain tissue (the pathological hallmark of Alzheimer's) | - |
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| seedcase | (noun) the vessel that contains the seeds of a plant (not the seeds themselves) | Synonyms: cod, pod |
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| showcase | (noun) a glass container used to store and display items in a shop or museum or home | Synonyms: case, display case, vitrine |
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| (noun) a setting in which something can be displayed to best effect | Synonyms: show window |
| staircase | (noun) a way of access (upward and downward) consisting of a set of steps | Synonyms: stairway |
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| steeplechase | (noun) a horse race over an obstructed course | - |
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| (noun) a footrace of usually 3000 meters over a closed track with hurdles and a water jump | - |
| streptodornase | (noun) an enzyme produced by some hemolytic strains of streptococcus that dissolves fibrinous secretions from infections; used medicinally (often in combination with streptokinase) | - |
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| streptokinase | (noun) an enzyme produced by some strains of streptococcus that can liquefy blood clots by converting plasminogen to plasmin; used medicinally in some cases of myocardial infarction and pulmonary embolism | - |
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| striptease | (noun) a form of erotic entertainment in which a dancer gradually undresses to music | Synonyms: strip, strip show |
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| (noun) a performer who provides erotic entertainment by undressing to music | Synonyms: ecdysiast, exotic dancer, peeler, stripper, striptease artist, stripteaser |
| subbase | (noun) the lowest molding of an architectural base or of a baseboard | - |
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