| acrylic acids | A series of unsaturated aliphatic acids of the general formula R==CH-COOH; the prototype, acrylic acid (R=CH2) or 2-propenoic acid, is derived from propionic acid by reduction or from glycerol by dehydration. Synonym: acroleic acids. (05 Mar 2000) |
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| acrylic | <dentistry> A plastic used to false teeth, retainers, and other dental products. Dental acrylic has been tested and thought to be perfectly safe. (08 Jan 1998) |
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| acrylic resin | A general term applied to a resinous material of the various esters of acrylic acid; used as a denture base material, for other dental restorations, and for trays. (05 Mar 2000) |
| acrylic resin base | A form made of acrylic resin molded to conform to the tissues of the alveolar process and used to support the teeth of a prosthesis. (05 Mar 2000) |
| acrylic resin tooth | A tooth made of acrylic resin. (05 Mar 2000) |
| direct acrylic restoration | A direct resin restoration of autopolymerizing acrylic. (05 Mar 2000) |
| 3-(2,4--dioxo-6-methyl-5-pyrimidinyl)acrylic acid synthase | <enzyme> Involved in sparsomycin biosynthesis; catalyses conversion of 3-(4-oxo-6-methyl-5-pyrimidinyl)acrylic acid to 3-(2,4-dioxo-6-methyl-5-pyrimidinyl)acrylic acid Registry number: EC 1.14.13.- Synonym: (e)-uca synthase (26 Jun 1999) |
| acids, carbocyclic | Carboxylic acids that have a homocyclic ring structure in which all the ring atoms are carbon. (12 Dec 1998) |
| acids, heterocyclic | A class of acids containing a ring structure in which atleast one atom other than carbon is incorporated. (12 Dec 1998) |
| acids, noncarboxylic | Inorganic acids with a non metal, other than carbon, attached to hydrogen, or an acid radical containing no carbon. (12 Dec 1998) |
| acroleic acids | A series of unsaturated aliphatic acids of the general formula R==CH-COOH; the prototype, acrylic acid (R=CH2) or 2-propenoic acid, is derived from propionic acid by reduction or from glycerol by dehydration. Synonym: acroleic acids. (05 Mar 2000) |
| adipic acids | A group of dicarboxylic acids that are structurally related to hexanedioic acid (adipic acid). (12 Dec 1998) |
| aldonic acids | Monosaccharide derivatives in which the aldehyde group has been oxidised to a carboxyl group. They may form lactones (e.g., galactonic acid). Synonym: glyconic acids. (05 Mar 2000) |
| aliphatic acids | The acids of nonaromatic hydrocarbons (e.g., acetic, propionic, butyric acids); the so-called fatty acids of the formula R-COOH, where R is a nonaromatic (aliphatic) hydrocarbon. (05 Mar 2000) |
| alkanesulfonic acids | Sulfonic acid derivatives that are substituted with an aliphatic hydrocarbon group. (12 Dec 1998) |
| amino acids | Organic compounds that generally contain an amino (-nh2) and a carboxyl (-cooh) group. Twenty alpha-amino acids are the subunits which are polymerised to form proteins. (12 Dec 1998) |