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hydroxyl
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- Hydroxyl - n. - A compound radical, or unsaturated group, HO, consisting of one atom of hydrogen and one of oxygen. It is a characteristic part of the hydrates, the alcohols, the oxygen acids, etc.
- Hydroxylamine - n. - A nitrogenous, organic base, NH2.OH, resembling ammonia, and produced by a modified reduction of nitric acid. It is usually obtained as a volatile, unstable solution in water. It acts as a strong reducing agent.
- -ol - - A suffix denoting that the substance in the name of which it appears belongs to the series of alcohols or hydroxyl derivatives, as carbinol, glycerol, etc.
- Flavol - n. - A yellow, crystalline substance, obtained from anthraquinone, and regarded as a hydroxyl derivative of it.
- Tetratomic - a. - Having a valence of four; quadrivalent; tetravalent; sometimes, in a specific sense, having four hydroxyl groups, whether acid or basic.
- Naphthol - n. - Any one of a series of hydroxyl derivatives of naphthalene, analogous to phenol. In general they are crystalline substances with a phenol (carbolic) odor.
- Ethylate - n. - A compound derived from ethyl alcohol by the replacement of the hydroxyl hydrogen, after the manner of a hydrate; an ethyl alcoholate; as, potassium ethylate, C2H5.O.K.
- Oxy- - - A compound containing the hydroxyl group, more properly designated by hydroxy-. See Hydroxy-.
- Triploidite - n. - A manganese phosphate near triplite, but containing hydroxyl instead of fluorine.
- Orthosilicic - a. - Designating the form of silicic acid having the normal or highest number of hydroxyl groups.
- Met- - - Having less than the highest number of hydroxyl groups; -- said of acids; as, metaphosphoric acid. Also used adjectively.
- Triatomic - a. - Having a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, and tartronic acid are each triatomic.
- Ortho- - - The one of several acids of the same element (as the phosphoric acids), which actually occurs with the greatest number of hydroxyl groups; as, orthophosphoric acid. Cf. Normal.
- Oxybenzoic - a. - Hydroxybenzoic; pertaining to, or designating, any one of several hydroxyl derivatives of benzonic acid, of which the commonest is salicylic acid.
- Hydroxy- - - A combining form, also used adjectively, indicating hydroxyl as an ingredient.
- Phenol - n. - Any one of the series of hydroxyl derivatives of which phenol proper is the type.
- Chlorhydrin - n. - One of a class of compounds formed from certain polybasic alcohols (and especially glycerin) by the substitution of chlorine for one or more hydroxyl groups.