| abasement | (noun) depriving one of self-esteem | Synonyms: humiliation |
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| (noun) a low or downcast state | Synonyms: abjection, degradation |
| 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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| appeasement | (noun) the act of appeasing (as by acceding to the demands of) | Synonyms: calming |
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| appeaser | (noun) someone who tries to bring peace by acceding to demands | - |
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| asepsis | (noun) the process of inhibiting the growth and multiplication of microorganisms | Synonyms: antisepsis |
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| (noun) (of non-living objects) the state of being free of pathogenic organisms | Synonyms: antisepsis, sterileness, sterility |
| asexuality | (noun) having no evident sex or sex organs | Synonyms: sexlessness |
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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 |
| baseball | (noun) a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs | Synonyms: ball, baseball game |
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| (noun) a ball used in playing baseball | - |
| baseboard | (noun) a molding covering the joint formed by a wall and the floor | Synonyms: mopboard, skirting board |
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| baseline | (noun) the lines a baseball player must follow while running the bases | - |
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| (noun) the back line bounding each end of a tennis or handball court; when serving the server must not step over this line | Synonyms: service line |
| (noun) an imaginary line or standard by which things are measured or compared | - |
| basement | (noun) the lowermost portion of a structure partly or wholly below ground level; often used for storage | Synonyms: cellar |
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| (noun) the ground floor facade or interior in Renaissance architecture | - |
| baseness | (noun) unworthiness by virtue of lacking higher values | Synonyms: contemptibility, despicability, despicableness, sordidness |
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| basenji | (noun) small smooth-haired breed of African origin having a tightly curled tail and the inability to bark | - |
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| 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 | - |
| casebook | (noun) a book in which detailed written records of a case are kept and which are a source of information for subsequent work | - |
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| caseful | (noun) the quantity contained in a case | Synonyms: case |
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| casein | (noun) a water-base paint made with a protein precipitated from milk | Synonyms: casein paint |
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| (noun) a milk protein used in making e.g. plastics and adhesives | - |
| casement | (noun) a window sash that is hinged (usually on one side) | - |
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| casern | (noun) military barracks in a garrison town | - |
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| casework | (noun) close sociological study of a maladjusted person or family for diagnosis and treatment | - |
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| caseworker | (noun) someone employed to provide social services (especially to the disadvantaged) | Synonyms: social worker, welfare worker |
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| caseworm | (noun) insect larva that constructs a protective case around its body | - |
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| 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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| ceaselessness | (noun) the quality of something that continues without end or interruption | Synonyms: continuousness, incessancy, incessantness |
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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 | - |
| chased | (noun) a person who is being chased | Synonyms: pursued |
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| chaser | (noun) a drink to follow immediately after another drink | - |
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| (noun) a person who is pursuing and trying to overtake or capture | Synonyms: pursuer |
| 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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| debasement | (noun) changing to a lower state (a less respected state) | Synonyms: degradation |
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| (noun) being mixed with extraneous material; the product of adulterating | Synonyms: adulteration |
| debaser | (noun) a person who lowers the quality or character or value (as by adding cheaper metal to coins) | Synonyms: degrader |
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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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| deceased | (noun) someone who is no longer alive | Synonyms: dead person, dead soul, deceased person, decedent, departed |
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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 |
| degreaser | (noun) a chemical substance that dissolves water-insoluble substances, such as greases and oils. | - |
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| 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 |
| easel | (noun) an upright tripod for displaying something (usually an artist's canvas) | - |
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| easement | (noun) the act of reducing something unpleasant (as pain or annoyance) | Synonyms: alleviation, easing, relief |
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| (noun) (law) the privilege of using something that is not your own (as using another's land as a right of way to your own land) | - |
| elastase | (noun) a pancreatic enzyme that catalyzes the hydrolysis of elastin | - |
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| encasement | (noun) the act of enclosing something in a case | Synonyms: incasement |
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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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| eraser | (noun) an implement used to erase something | - |
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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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| gaseousness | (noun) having the consistency of a gas | - |
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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 |
| greaseball | (noun) (ethnic slur) offensive term for a person of Italian descent | Synonyms: dago, ginzo, Guinea, wop |
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| greasepaint | (noun) a greasy substance used as makeup by actors | - |
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| greaser | (noun) (ethnic slur) offensive term for a person of Mexican descent | Synonyms: taco, wetback |
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| greasewood | (noun) low hardy much-branched spiny shrub common in alkaline soils of western America | Synonyms: black greasewood, Sarcobatus vermiculatus |
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| 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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| incasement | (noun) the act of enclosing something in a case | Synonyms: encasement |
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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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| lamasery | (noun) a monastery for lamas | - |
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| laser | (noun) an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light | Synonyms: optical maser |
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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 |
| leasehold | (noun) land or property held under a lease | - |
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| leaseholder | (noun) a tenant who holds a lease | Synonyms: lessee |
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| 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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| maser | (noun) an acronym for microwave amplification by stimulated emission of radiation; an amplifier that works on the same principle as a laser and emits coherent microwave radiation | - |
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| metaphase | (noun) the second stage of mitosis | - |
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| (noun) the second stage of meiosis | - |
| metasequoia | (noun) large fast-growing Chinese monoecious tree having flat bright-green deciduous leaves and small globular cones; commonly cultivated in United States as an ornamental; known as a fossil before being discovered in China | Synonyms: dawn redwood, Metasequoia glyptostrodoides |
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