| 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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| 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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| alcoholic | (noun) a person who drinks alcohol to excess habitually | Synonyms: alky, boozer, dipsomaniac, lush, soaker, souse |
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| alcoholism | (noun) an intense persistent desire to drink alcoholic beverages to excess | Synonyms: dipsomania, potomania |
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| (noun) habitual intoxication; prolonged and excessive intake of alcoholic drinks leading to a breakdown in health and an addiction to alcohol such that abrupt deprivation leads to severe withdrawal symptoms | Synonyms: alcohol addiction, drunkenness, inebriation |
| anticholinergic | (noun) a substance that opposes or blocks the action of acetylcholine | Synonyms: anticholinergic drug |
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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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| batholite | (noun) large mass of intrusive igneous rock believed to have solidified deep within the earth | Synonyms: batholith, pluton, plutonic rock |
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| batholith | (noun) large mass of intrusive igneous rock believed to have solidified deep within the earth | Synonyms: batholite, pluton, plutonic rock |
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| catholicity | (noun) the quality of being universal; existing everywhere | Synonyms: universality |
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| catholicon | (noun) hypothetical remedy for all ills or diseases; once sought by the alchemists | Synonyms: cure-all, nostrum, panacea |
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| choline | (noun) a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat | - |
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| cholinesterase | (noun) an enzyme that hydrolyses acetylcholine (into choline and acetic acid) | - |
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| holibut | (noun) marine food fish of the northern Atlantic or northern Pacific; the largest flatfish and one of the largest teleost fishes | Synonyms: halibut |
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| holiday | (noun) leisure time away from work devoted to rest or pleasure | Synonyms: vacation |
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| (noun) a day on which work is suspended by law or custom | - |
| holidaymaker | (noun) someone who travels for pleasure | Synonyms: tourer, tourist |
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| holiness | (noun) the quality of being holy | Synonyms: sanctitude, sanctity |
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| holism | (noun) the theory that the parts of any whole cannot exist and cannot be understood except in their relation to the whole | Synonyms: holistic theory |
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| melancholia | (noun) extreme depression characterized by tearful sadness and irrational fears | - |
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| melancholiac | (noun) someone subject to melancholia | Synonyms: melancholic |
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| melancholic | (noun) someone subject to melancholia | Synonyms: melancholiac |
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| methacholine | (noun) parasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity | Synonyms: Mecholyl |
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| phospholipid | (noun) any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes | - |
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| pigeonholing | (noun) a system for classifying things into groups | Synonyms: grouping |
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| psycholinguist | (noun) a person (usually a psychologist but sometimes a linguist) who studies the psychological basis of human language | - |
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| psycholinguistics | (noun) the branch of cognitive psychology that studies the psychological basis of linguistic competence and performance | - |
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| scholia | (noun) a marginal note written by a scholiast (a commentator on ancient or classical literature) | Synonyms: scholium |
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| scholiast | (noun) a scholar who writes explanatory notes on an author (especially an ancient commentator on a classical author) | - |
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| scholium | (noun) a marginal note written by a scholiast (a commentator on ancient or classical literature) | Synonyms: scholia |
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| shopaholic | (noun) a compulsive shopper | - |
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| succinylcholine | (noun) a muscle relaxant for striated muscle that is used as an adjunct to anesthesia during certain surgical procedures | - |
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| unholiness | (noun) the quality of being unholy | - |
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| workaholic | (noun) person with a compulsive need to work | - |
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| workaholism | (noun) compulsiveness about working | - |
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