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Tertiary :: Tertiary (a.) Possessing some quality in the third degree; having been subjected to the substitution of three atoms or radicals; as, a tertiary alcohol, amine, or salt. Cf. Primary, and Secondary..

Gold :: Gold (v. t.) A metallic element, constituting the most precious metal used as a common commercial medium of exchange. It has a characteristic yellow color, is one of the heaviest substances known (specific gravity 19.32), is soft, and very malleable and ductile. It is quite unalterable by heat, moisture, and most corrosive agents, and therefore well suited for its use in coin and jewelry. Symbol Au (Aurum). Atomic weight 196.7..

Monatomic :: Monatomic (adv.) Consisting of, or containing, one atom; as, the molecule of mercury is monatomic..

Steatopyga :: Steatomatous (a.) Of the nature of steatoma.

Zootomy :: Zootomy (n.) The dissection or the anatomy of animals; -- distinguished from androtomy.

Demonstrate :: Demonstrate (v. t.) To exhibit and explain (a dissection or other anatomical preparation).

Trikosane :: Trikosane (n.) A hydrocarbon, C23H48, of the methane series, resembling paraffin; -- so called because it has twenty-three atoms of carbon in the molecule..

Sesquisulphide :: Sesquisulphide (n.) A sulphide, analogous to a sesquioxide, containing three atoms of sulphur to two of the other ingredient; -- formerly called also sesquisulphuret; as, orpiment, As2S3 is arsenic sesquisulphide..

Hydroxyl :: 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..

Yttrium :: Yttrium (n.) A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 89..

Disulphuric :: Disulphuric (a.) Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation.

Anatomy :: Anatomy (n.) A treatise or book on anatomy.

Equivalent :: Equivalent (n.) A combining unit, whether an atom, a radical, or a molecule; as, in acid salt two or more equivalents of acid unite with one or more equivalents of base..

Anatomical :: Anatomical (a.) Of or relating to anatomy or dissection; as, the anatomic art; anatomical observations..

Aluminium :: Aluminium (n.) The metallic base of alumina. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, having a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al..

Praseodymium :: Praseodymium (n.) An elementary substance, one of the constituents of didymium; -- so called from the green color of its salts. Symbol Ps. Atomic weight 143.6..

Nitrol :: Nitrol (n.) Any one of a series of hydrocarbons containing the nitro and the nitroso or isonitroso group united to the same carbon atom.

Tetratomic :: Tetratomic (a.) Having a valence of four; quadrivalent; tetravalent; sometimes, in a specific sense, having four hydroxyl groups, whether acid or basic..

Tetrazo- :: Tetrazo- (a.) A combining form (also used adjectively), designating any one of a series of double derivatives of the azo and diazo compounds containing four atoms of nitrogen..

Alkalamide :: Alkalamide (n.) One of a series of compounds that may be regarded as ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals..

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