acervate | (adjective) pertaining to a growth of fungi that forms a heaped-up mass | - |
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acervulus | (noun) small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi | - |
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acetabular | (adjective) of the cup-shaped socket that receives the head of the thigh bone | Synonyms: cotyloid, cotyloidal |
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acetabulum | (noun) the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint | Synonyms: cotyloid cavity |
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acetal | (noun) any organic compound formed by adding alcohol molecules to aldehyde molecules | - |
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acetaldehyde | (noun) a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs | Synonyms: ethanal |
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acetaldol | (noun) unsaturated aldol | - |
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acetamide | (noun) a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds | Synonyms: ethanamide |
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acetaminophen | (noun) an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets) | Synonyms: Anacin III, Datril, Panadol, Phenaphen, Tempra, Tylenol |
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acetanilid | (noun) a solid odourless chemical of leaf or flake-like appearance; used in rubber accelerator, dye, and camphor synthesis; metabolised to paracetamol (acetaminophen) | Synonyms: acetanilide, phenylacetamide |
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acetanilide | (noun) a solid odourless chemical of leaf or flake-like appearance; used in rubber accelerator, dye, and camphor synthesis; metabolised to paracetamol (acetaminophen) | Synonyms: acetanilid, phenylacetamide |
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acetate | (noun) a fabric made from fibers of cellulose acetate | Synonyms: acetate rayon |
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(noun) a salt or ester of acetic acid | Synonyms: ethanoate |
acetic | (adjective) relating to or containing acetic acid | - |
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acetify | (verb) turn acidic | Synonyms: acidify |
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(verb) make sour or more sour | Synonyms: acidify, acidulate, sour |
acetin | (noun) any of three liquid acetates that are formed when acetic acid and glycerin are heated together | - |
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acetone | (noun) the simplest ketone; a highly flammable liquid widely used as an organic solvent and as material for making plastics | Synonyms: dimethyl ketone, propanone |
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acetonemia | (noun) an abnormal increase of ketone bodies in the blood as in diabetes mellitus | Synonyms: ketonemia, ketosis |
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acetonic | (adjective) of or relating to acetone | - |
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acetonuria | (noun) excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation | Synonyms: ketoaciduria, ketonuria |
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acetophenetidin | (noun) a white crystalline compound used as an analgesic and also as an antipyretic | Synonyms: acetphenetidin, phenacetin |
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acetose | (adjective) tasting or smelling like vinegar | Synonyms: acetous, vinegarish, vinegary |
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acetous | (adjective) tasting or smelling like vinegar | Synonyms: acetose, vinegarish, vinegary |
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acetphenetidin | (noun) a white crystalline compound used as an analgesic and also as an antipyretic | Synonyms: acetophenetidin, phenacetin |
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acetum | (noun) sour-tasting liquid produced usually by oxidation of the alcohol in wine or cider and used as a condiment or food preservative | Synonyms: vinegar |
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(noun) a dilute solution of acetic acid that is used as a solvent (e.g. for a drug) | - |
acetyl | (noun) the organic group of acetic acid (CH3CO-) | Synonyms: acetyl group, acetyl radical, ethanoyl group, ethanoyl radical |
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acetylate | (verb) receive substitution of an acetyl group | Synonyms: acetylise, acetylize |
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(verb) introduce an acetyl group into (a chemical compound) | Synonyms: acetylise, acetylize |
acetylation | (noun) the process of introducing an acetyl group into a compound | - |
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acetylcholine | (noun) a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems | - |
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acetylene | (noun) a colorless flammable gas used chiefly in welding and in organic synthesis | Synonyms: alkyne, ethyne |
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acetylenic | (adjective) of or related to acetylene | - |
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acetylic | (adjective) of or related to acetic acid | - |
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acetylise | (verb) receive substitution of an acetyl group | Synonyms: acetylate, acetylize |
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(verb) introduce an acetyl group into (a chemical compound) | Synonyms: acetylate, acetylize |
acetylize | (verb) receive substitution of an acetyl group | Synonyms: acetylate, acetylise |
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(verb) introduce an acetyl group into (a chemical compound) | Synonyms: acetylate, acetylise |
ache | (noun) a dull persistent (usually moderately intense) pain | Synonyms: aching |
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(verb) have a desire for something or someone who is not present | Synonyms: languish, pine, yearn, yen |
(verb) be the source of pain | Synonyms: hurt, smart |
(verb) feel physical pain | Synonyms: hurt, suffer |
achene | (noun) small dry indehiscent fruit with the seed distinct from the fruit wall | - |
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achenial | (adjective) pertaining to dry one-seeded indehiscent fruit | - |
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achievability | (noun) the state of being achievable | Synonyms: attainability, attainableness |
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achievable | (adjective) capable of existing or taking place or proving true; possible to do | Synonyms: accomplishable, doable, manageable, realizable |
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achieve | (verb) to gain with effort | Synonyms: accomplish, attain, reach |
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achievement | (noun) the action of accomplishing something | Synonyms: accomplishment |
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achiever | (noun) a person with a record of successes | Synonyms: succeeder, success, winner |
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achillea | (noun) any of several plants of the genus Achillea native to Europe and having small white flowers in flat-topped flower heads | - |
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achimenes | (noun) any plant of the genus Achimenes having showy bell-shaped flowers that resemble gloxinias | Synonyms: hot water plant |
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aching | (adjective) causing a dull and steady pain | Synonyms: achy |
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(noun) a dull persistent (usually moderately intense) pain | Synonyms: ache |
achira | (noun) canna grown especially for its edible rootstock from which arrowroot starch is obtained | Synonyms: arrowroot, Canna edulis, Canna indica, indian shot |
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achlamydeous | (adjective) not having a floral envelope or perianth | - |
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achlorhydria | (noun) an abnormal deficiency or absence of free hydrochloric acid in the gastric juice; often associated with severe anemias and cancer of the stomach | - |
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achlorhydric | (adjective) lacking hydrochloric acid | - |
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acholia | (noun) a condition in which little or no bile is secreted or the flow of bile into the digestive tract is obstructed | Synonyms: cholestasis |
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achondrite | (noun) a stony meteor lacking chondrules | - |
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achondritic | (adjective) not having a granular structure | - |
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(adjective) of or related to an achondrite | - |
achondroplasia | (noun) an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism | Synonyms: achondroplasty, chondrodystrophy, osteosclerosis congenita |
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achondroplastic | (adjective) of or relating to achondroplasia | - |
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achondroplasty | (noun) an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism | Synonyms: achondroplasia, chondrodystrophy, osteosclerosis congenita |
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achromasia | (noun) unnatural lack of color in the skin (as from bruising or sickness or emotional distress) | Synonyms: lividity, lividness, luridness, paleness, pallidness, pallor, wanness |
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achromatic | (adjective) having no hue | Synonyms: neutral |
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achromaticity | (noun) the visual property of being without chromatic color | Synonyms: achromatism, colorlessness, colourlessness |
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achromatin | (noun) the part of a cell nucleus that is relatively uncolored by stains or dyes | - |
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achromatinic | (adjective) (of substance of a cell nucleus) not readily colored by stains | - |
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achromatise | (verb) remove color from | Synonyms: achromatize |
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achromatism | (noun) the visual property of being without chromatic color | Synonyms: achromaticity, colorlessness, colourlessness |
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achromatize | (verb) remove color from | Synonyms: achromatise |
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achromatous | (adjective) having little or inadequate color | - |
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achromia | (noun) an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells | - |
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achromic | (adjective) having no color | Synonyms: achromous |
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achromous | (adjective) having no color | Synonyms: achromic |
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achy | (adjective) causing a dull and steady pain | Synonyms: aching |
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achylia | (noun) absence of gastric juices (partial or complete) | Synonyms: achylia gastrica |
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acicula | (noun) a needlelike part or structure of a plant or animal or crystal; as a spine or bristle or crystal | - |
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acicular | (adjective) narrow and long and pointed; as pine leaves | Synonyms: acerate, acerose, needle-shaped |
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aciculate | (adjective) related to plants or animals or crystals having aciculae or needlelike parts | - |
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acid | (adjective) having the characteristics of an acid | - |
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(adjective) being sour to the taste | Synonyms: acidic, acidulent, acidulous |
(adjective) harsh or corrosive in tone | Synonyms: acerb, acerbic, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic |
(noun) street name for lysergic acid diethylamide | Synonyms: back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zen |
(noun) any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt | - |
acidemia | (noun) a blood disorder characterized by an increased concentration of hydrogen ions in the blood (which falls below 7 on the pH scale) | - |
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acidic | (adjective) being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7) | - |
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(adjective) being sour to the taste | Synonyms: acid, acidulent, acidulous |
acidification | (noun) the process of becoming acid or being converted into an acid | - |
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acidify | (verb) turn acidic | Synonyms: acetify |
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(verb) make sour or more sour | Synonyms: acetify, acidulate, sour |
acidimetric | (adjective) involving or related to acidimetry | - |
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acidimetry | (noun) volumetric analysis using standard solutions of acids to measure the amount of a base present | - |
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acidity | (noun) pH values below 7 | - |
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(noun) the property of being acidic | Synonyms: sour, sourness |
(noun) the taste experience when something acidic is taken into the mouth | Synonyms: acidulousness |
acidophil | (noun) an organism that thrives in a relatively acid environment | Synonyms: acidophile |
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acidophile | (noun) an organism that thrives in a relatively acid environment | Synonyms: acidophil |
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acidophilic | (adjective) especially of some bacteria; growing well in an acid medium | Synonyms: acidophilous, aciduric |
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acidophilous | (adjective) especially of some bacteria; growing well in an acid medium | Synonyms: acidophilic, aciduric |
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acidophilus | (noun) a bacterium that is used to make yogurt and to supplement probiotics | Synonyms: Lactobacillus acidophilus |
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acidosis | (noun) abnormally high acidity (excess hydrogen-ion concentration) of the blood and other body tissues | - |
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acidotic | (adjective) having or being characterized by acidosis | - |
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acidulate | (verb) make sour or more sour | Synonyms: acetify, acidify, sour |
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acidulent | (adjective) being sour to the taste | Synonyms: acid, acidic, acidulous |
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acidulous | (adjective) being sour to the taste | Synonyms: acid, acidic, acidulent |
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acidulousness | (noun) the taste experience when something acidic is taken into the mouth | Synonyms: acidity |
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aciduric | (adjective) especially of some bacteria; growing well in an acid medium | Synonyms: acidophilic, acidophilous |
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acinar | (adjective) pertaining to the individual parts making up an aggregate fruit like a blackberry | - |
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(adjective) pertaining to one of the small sacs (as in a compound gland) | Synonyms: acinic, acinose, acinous |
acinic | (adjective) pertaining to one of the small sacs (as in a compound gland) | Synonyms: acinar, acinose, acinous |
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acinose | (adjective) pertaining to one of the small sacs (as in a compound gland) | Synonyms: acinar, acinic, acinous |
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acinous | (adjective) pertaining to one of the small sacs (as in a compound gland) | Synonyms: acinar, acinic, acinose |
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acinus | (noun) one of the small sacs or saclike dilations in a compound gland | - |
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(noun) one of the small drupes making up an aggregate or multiple fruit like a blackberry | - |
ackee | (noun) red pear-shaped tropical fruit with poisonous seeds; flesh is poisonous when unripe or overripe | Synonyms: akee |
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acknowledge | (verb) accept as legally binding and valid | - |
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(verb) accept (someone) to be what is claimed or accept his power and authority | Synonyms: know, recognise, recognize |
(verb) declare to be true or admit the existence or reality or truth of | Synonyms: admit |
(verb) express obligation, thanks, or gratitude for | Synonyms: recognise, recognize |
(verb) report the receipt of | Synonyms: receipt |
(verb) express recognition of the presence or existence of, or acquaintance with | Synonyms: notice |
acknowledgeable | (adjective) capable of being acknowledged | - |
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acknowledged | (adjective) recognized or made known or admitted | - |
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(adjective) generally accepted | - |