| 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 |
| achylia | (noun) absence of gastric juices (partial or complete) | Synonyms: achylia gastrica |
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| acrylamide | (noun) a white crystalline amide of propenoic acid can damage the nervous system and is carcinogenic in laboratory animals | - |
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| acrylate | (noun) a salt or ester of propenoic acid | Synonyms: propenoate |
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| acrylic | (noun) a synthetic fabric made from polyacrylonitrile | - |
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| (noun) used especially by artists | Synonyms: acrylic paint |
| (noun) a glassy thermoplastic; can be cast and molded or used in coatings and adhesives | Synonyms: acrylate resin, acrylic resin |
| (noun) polymerized from acrylonitrile | Synonyms: acrylic fiber |
| acrylonitrile | (noun) a colorless liquid unsaturated nitrile made from propene | Synonyms: propenonitrile, vinyl cyanide |
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| acyl | (noun) any group or radical of the form RCO- where R is an organic group | Synonyms: acyl group |
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| acylation | (noun) the process of introducing an acyl group into a compound | - |
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| acylglycerol | (noun) an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils | Synonyms: glyceride |
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| adactylia | (noun) congenital absence of fingers and/or toes | Synonyms: adactylism, adactyly |
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| adactylism | (noun) congenital absence of fingers and/or toes | Synonyms: adactylia, adactyly |
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| adactylous | (adjective) without fingers and/or toes | - |
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| adactyly | (noun) congenital absence of fingers and/or toes | Synonyms: adactylia, adactylism |
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| alkyl | (noun) any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons | Synonyms: alkyl group, alkyl radical |
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| alkylbenzene | (noun) organic compound that has an alkyl group bound to a benzene ring | - |
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| alkylbenzenesulfonate | (noun) sulfonate of alkyl benzene | - |
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| alkylic | (adjective) of or related to an alkyl | - |
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| allyl | (noun) the univalent unsaturated organic radical C3H5; derived from propylene | Synonyms: allyl group, allyl radical |
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| allylic | (adjective) of or pertaining to the allyl radical | - |
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| amaryllis | (noun) bulbous plant having showy white to reddish flowers | - |
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| aminophylline | (noun) a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis | - |
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| amitriptyline | (noun) a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications | Synonyms: amitriptyline hydrochloride, Elavil |
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| amphiprostylar | (adjective) marked by columniation having free columns in porticoes either at both ends or at both sides of a structure | Synonyms: amphiprostyle, amphistylar, porticoed |
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| amphiprostyle | (adjective) marked by columniation having free columns in porticoes either at both ends or at both sides of a structure | Synonyms: amphiprostylar, amphistylar, porticoed |
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| amphistylar | (adjective) marked by columniation having free columns in porticoes either at both ends or at both sides of a structure | Synonyms: amphiprostylar, amphiprostyle, porticoed |
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| (adjective) having columns either at both ends or at both sides | - |
| amyl | (noun) a hydrocarbon radical that occurs in many organic compounds | - |
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| amylaceous | (adjective) resembling starch | Synonyms: amyloid, amyloidal, farinaceous, starchlike |
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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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| amyloid | (adjective) resembling starch | Synonyms: amylaceous, amyloidal, farinaceous, starchlike |
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| (noun) (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue | - |
| (noun) a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch | - |
| amyloidal | (adjective) resembling starch | Synonyms: amylaceous, amyloid, farinaceous, starchlike |
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| amyloidosis | (noun) a disorder characterized by deposit of amyloid in organs or tissues; often secondary to chronic rheumatoid arthritis or tuberculosis or multiple myeloma | - |
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| amylolysis | (noun) conversion of starch to sugar | - |
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| amylolytic | (adjective) of or related to the process of amylolysis | - |
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| amylum | (noun) a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles | Synonyms: starch |
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| anaphylactic | (adjective) related to the hypersensitivity known as anaphylaxis | - |
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| anaphylaxis | (noun) hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance | - |
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| anastylosis | (noun) the archeological reassembly of ruined monuments from fallen or decayed fragments (incorporating new materials when necessary) | - |
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| anchylosis | (noun) abnormal adhesion and rigidity of the bones of a joint | Synonyms: ankylosis |
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| ancylose | (verb) undergo ankylosis | Synonyms: ankylose |
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| (verb) produce ankylosis by surgery | Synonyms: ankylose |
| anesthyl | (noun) a mixture of methyl and ethyl chloride; sprayed on as a local anesthetic | - |
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| ankyloglossia | (noun) a congenital anomaly in which the mucous membrane under the tongue is too short limiting the mobility of the tongue | Synonyms: tongue tie |
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| ankylosaur | (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's | Synonyms: ankylosaurus |
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| ankylosaurus | (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's | Synonyms: ankylosaur |
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| ankylose | (verb) undergo ankylosis | Synonyms: ancylose |
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| (verb) produce ankylosis by surgery | Synonyms: ancylose |
| ankylosis | (noun) abnormal adhesion and rigidity of the bones of a joint | Synonyms: anchylosis |
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| ankylotic | (adjective) relating to or characteristic of the abnormality ankylosis | - |
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| anthophyllite | (noun) a dark brown mineral of the amphibole group; magnesium iron silicate | - |
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| aphyllous | (adjective) devoid of leaves | - |
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| argyle | (noun) a sock knitted or woven with an argyle design | Synonyms: argyll |
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| (noun) a design consisting of a pattern of varicolored diamonds on a solid background (originally for knitted articles); patterned after the tartan of a clan in western Scotland | Synonyms: argyll |
| (noun) a covered gravy holder of silver or other metal containing a detachable central vessel for hot water to keep the gravy warm | Synonyms: argyll |
| argyll | (noun) a sock knitted or woven with an argyle design | Synonyms: argyle |
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| (noun) a design consisting of a pattern of varicolored diamonds on a solid background (originally for knitted articles); patterned after the tartan of a clan in western Scotland | Synonyms: argyle |
| (noun) a covered gravy holder of silver or other metal containing a detachable central vessel for hot water to keep the gravy warm | Synonyms: argyle |
| artiodactyl | (adjective) of or relating to or belonging to mammals of the order Artiodactyla | Synonyms: artiodactylous, even-toed |
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| (noun) placental mammal having hooves with an even number of functional toes on each foot | Synonyms: artiodactyl mammal, even-toed ungulate |
| artiodactylous | (adjective) of or relating to or belonging to mammals of the order Artiodactyla | Synonyms: artiodactyl, even-toed |
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| astylar | (adjective) lacking columns or pillars | - |
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| asylum | (noun) a hospital for mentally incompetent or unbalanced person | Synonyms: insane asylum, institution, mental home, mental hospital, mental institution, psychiatric hospital |
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| (noun) a shelter from danger or hardship | Synonyms: refuge, sanctuary |
| bacteriochlorophyll | (noun) a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants | - |
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| bandyleg | (noun) a leg bowed outward at the knee (or below the knee) | Synonyms: bandy leg, bow leg, bowleg, genu varum, tibia vara |
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| bellylaugh | (verb) laugh a deep, hearty laugh | - |
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| bellyless | (adjective) lacking a prominent belly | Synonyms: flat-bellied |
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| benzyl | (noun) the univalent radical derived from toluene | Synonyms: benzyl group, benzyl radical |
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| benzylic | (adjective) relating to benzyl | - |
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| benzylpenicillin | (noun) the penicillin that constitutes the principal component of many commercial antibiotics | Synonyms: penicillin G |
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| berrylike | (adjective) resembling a berry | Synonyms: baccate |
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| beryl | (noun) the chief source of beryllium; colored transparent varieties are valued as gems | - |
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| beryllium | (noun) a light strong brittle grey toxic bivalent metallic element | Synonyms: atomic number 4, Be, glucinium |
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| bicylindrical | (adjective) having two cylindrical surfaces usually with parallel axes | - |
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| bodyless | (adjective) having no trunk or main part | Synonyms: bodiless |
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| boylike | (adjective) befitting or characteristic of a young boy | Synonyms: boyish, schoolboyish |
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| (adverb) like a boy | Synonyms: boyishly |
| brachydactylia | (noun) abnormal shortness of fingers and toes | Synonyms: brachydactyly |
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| brachydactylic | (adjective) having abnormally short finger or toes | Synonyms: brachydactylous |
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| brachydactylous | (adjective) having abnormally short finger or toes | Synonyms: brachydactylic |
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| brachydactyly | (noun) abnormal shortness of fingers and toes | Synonyms: brachydactylia |
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| butyl | (noun) a hydrocarbon radical (C4H9) | - |
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| butylate | (verb) introduce the butyl group into a chemical compound | - |
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| butylene | (noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers | Synonyms: butene |
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| bylaw | (noun) a rule adopted by an organization in order to regulate its own affairs and the behavior of its members | - |
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| cacodyl | (noun) the univalent group derived from arsine | Synonyms: arsenic group, cacodyl group, cacodyl radical |
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| (noun) a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air | Synonyms: tetramethyldiarsine |
| cacodylic | (adjective) of or relating to cacodyl | - |
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| campylotropous | (adjective) (of a plant ovule) curved with the micropyle near the base almost touching its stalk | - |
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| carbonyl | (adjective) relating to or containing the carbonyl group | Synonyms: carbonylic |
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| (noun) a compound containing metal combined with carbon monoxide | - |
| carbonylic | (adjective) relating to or containing the carbonyl group | Synonyms: carbonyl |
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| carboxyl | (adjective) relating to or containing the carboxyl group or carboxyl radical | Synonyms: carboxylic |
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| (noun) the univalent radical -COOH; present in and characteristic of organic acids | Synonyms: carboxyl group |
| carboxylate | (verb) treat (a chemical compound) with carboxyl or carboxylic acid | - |
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| carboxylic | (adjective) relating to or containing the carboxyl group or carboxyl radical | Synonyms: carboxyl |
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| caryophyllaceous | (adjective) of or pertaining to plants of the family Caryophyllaceae | - |
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| cataphyll | (noun) a reduced or scarcely developed leaf at the start of a plant's life (i.e., cotyledons) or in the early stages of leaf development | - |
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| ceylonite | (noun) a dark-colored spinel containing iron | Synonyms: pleonaste |
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| chlorobenzylidenemalononitrile | (noun) a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edema | Synonyms: CS gas |
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| chlorophyl | (noun) any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms | Synonyms: chlorophyll |
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| chlorophyll | (noun) any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms | Synonyms: chlorophyl |
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| chlorophyllose | (adjective) relating to or being or containing chlorophyll | Synonyms: chlorophyllous |
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| chlorophyllous | (adjective) relating to or being or containing chlorophyll | Synonyms: chlorophyllose |
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| chrysoberyl | (noun) a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone | - |
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