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Tetradrachma :: Tetradrachma (n.) A silver coin among the ancient Greeks, of the value of four drachms..

Zenick :: Zenick (n.) A South African burrowing mammal (Suricata tetradactyla), allied to the civets. It is grayish brown, with yellowish transverse stripes on the back. Called also suricat..

Tetradecane :: Tetradecane (n.) A light oily hydrocarbon, C14H30, of the marsh-gas series; -- so called from the fourteen carbon atoms in the molecule..

Valence :: Valence (n.) The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four..

Tetrad :: Tetrad (n.) A tetravalent or quadrivalent atom or radical; as, carbon is a tetrad..

Phatagin :: Phatagin (n.) The long-tailed pangolin (Manis tetradactyla); -- called also ipi.

Arthrostraca :: Arthrostraca (n. pl.) One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda..

Tetradynamian :: Tetradynamian (n.) A plant of the order Tetradynamia.

Tetrad :: Tetrad (n.) The number four; a collection of four things; a quaternion.

Tetradynamous :: Tetradynamous (a.) Belonging to the order Tetradynamia; having six stamens, four of which are uniformly longer than the others..

Tetradactyl :: Tetradactyl (a.) Alt. of Tetradactyl.

Tetradont :: Tetradont (a. & n.) See Tetrodont.

Tamandu :: Tamandu (n.) A small ant-eater (Tamandua tetradactyla) native of the tropical parts of South America.

Tetradynamian :: Tetradynamian (a.) Alt. of Tetradynamou.

Amphipoda :: Amphipoda (n. pl.) A numerous group of fourteen -- footed Crustacea, inhabiting both fresh and salt water. The body is usually compressed laterally, and the anterior pairs or legs are directed downward and forward, but the posterior legs are usually turned upward and backward. The beach flea is an example. See Tetradecapoda and Arthrostraca..

Tetradactylous :: Tetradactylous (a.) Having, or characterized by, four digits to the foot or hand..

Tetradic :: Tetradic (a.) Of or pertaining to a tetrad; possessing or having the characteristics of a tetrad; as, a carbon is a tetradic element..

Tetradon :: Tetradon (n.) See Tetrodon.

Tetradrachm :: Tetradrachm (n.) Alt. of Tetradrachm.

Gymnodont :: Gymnodont (n.) One of a group of plectognath fishes (Gymnodontes), having the teeth and jaws consolidated into one or two bony plates, on each jaw, as the diodonts and tetradonts. See Bur fish, Globefish, Diodon..

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