| zinc oxide | <chemical> A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. Pharmacological action: dermatologic agents, sunscreening agents. Chemical name: Zinc oxide (ZnO) (12 Dec 1998) |
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| zinc oxide and eugenol | Used as a base material beneath metallic dental restorations and as a temporary filling material or impression material; setting and hardening result from complex reactions between the powder and the eugenol. (05 Mar 2000) |
| zinc oxide-eugenol cement | Least irritating of the cements. The powder is essentially zinc oxide with strengtheners and accelerators. The liquid is basically eugenol. (boucher's clinical dental terminology, 4th ed, p50) (12 Dec 1998) |
| modified zinc oxide-eugenol cement | Dental cement obtained by mixing zinc oxide and eugenol with one or more additives. (05 Mar 2000) |
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| unmodified zinc oxide-eugenol cement | A dental cement obtained by mixing zinc oxide and eugenol without modifiers. (05 Mar 2000) |
| acid oxide | An acid anhydride; an oxide of an electronegative element or radical; it can combine with water to form an acid. (05 Mar 2000) |
| alpha-pinene oxide lyase | <enzyme> From nocardia sp. Strain p18.3; catalyses the cleavage of both rings of the bicyclic structure with the formation of 2-methyl-5-isopropylhexa-2,5-dienal Registry number: EC 4.1.2.- Synonym: alpha-pinene oxide lyase (decyclizing) (26 Jun 1999) |
| aluminum bismuth oxide | A gastric antacid. Synonym: aluminum bismuth oxide. (05 Mar 2000) |
| aluminum oxide | <chemical> Aluminum oxide (al2o3). An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. Chemical name: Aluminum oxide (Al2O3) (12 Dec 1998) |
| antimonous oxide | Sb2O3;used technically in paints and flame-proofing; also used as an expectorant and emetic. Synonym: antimonous oxide, antimony oxide, flowers of antimony. Abbreviation: Sb (05 Mar 2000) |
| antimony oxide | Sb2O3;used technically in paints and flame-proofing; also used as an expectorant and emetic. Synonym: antimonous oxide, antimony oxide, flowers of antimony. Abbreviation: Sb (05 Mar 2000) |
| arsenous oxide | As2O3;dissolves in water to give arsenous acid, H3AsO3; used in the treatment of skin diseases and malaria, and as a tonic; also used externally as a caustic. Synonym: arsenous oxide, white arsenic. (05 Mar 2000) |
| barium oxide | BaO;it is caustic, forming the strong base, Ba(OH)2, in water; used as a dehydrating agent. Synonym: baryta. (05 Mar 2000) |
| basic oxide | A base anhydride; an oxide of an electropositive element or radical; it can combine with water to form a base. (05 Mar 2000) |
| benzo(a)pyrene-4,5-oxide hydratase | <enzyme> Aspect of epoxide hydrolase, EC 3.3.2.3 Registry number: EC 3.3.2.- (26 Jun 1999) |
| benzopyrene 4,5-oxide reductase | <enzyme> Nadph and cytochrome p-450-dependent reduces epoxide to glycol Registry number: EC 1.- Synonym: benzo(a)pyrene 4,5-epoxide reductase, bap 4,5-or, benz(a)pyrene 4,5-oxide reductase (26 Jun 1999) |
| bismuth chloride oxide | BiOCl;basic bismuth chloride, used for the same purposes as the subnitrate. Synonym: bismuth chloride oxide, bismuthyl chloride. (05 Mar 2000) |
| bismuth oxide | Bi2O3;used for the same purposes as the subnitrate. (05 Mar 2000) |