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Interatomic :: Interatomic (a.) Between atoms; situated, or acting, between the atoms of bodies; as, interatomic forces..

Terbium :: Terbium (n.) A rare metallic element, of uncertain identification, supposed to exist in certain minerals, as gadolinite and samarskite, with other rare ytterbium earth. Symbol Tr or Tb. Atomic weight 150..

Palamedeae :: Palamedeae (n. pl.) An order, or suborder, including the kamichi, and allied South American birds; -- called also screamers. In many anatomical characters they are allied to the Anseres, but they externally resemble the wading birds..

Barium :: Barium (n.) One of the elements, belonging to the alkaline earth group; a metal having a silver-white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight, 137. Symbol, Ba. Its oxide called baryta..

Atomicity :: Atomicity (n.) Degree of atomic attraction; equivalence; valence; also (a later use) the number of atoms in an elementary molecule. See Valence.

Bismuth :: Bismuth (n.) One of the elements; a metal of a reddish white color, crystallizing in rhombohedrons. It is somewhat harder than lead, and rather brittle; masses show broad cleavage surfaces when broken across. It melts at 507¡ Fahr., being easily fused in the flame of a candle. It is found in a native state, and as a constituent of some minerals. Specific gravity 9.8. Atomic weight 207.5. Symbol Bi..

Pentatomic :: Pentatomic (a.) Having five atoms in the molecule.

Atomical :: Atomical (a.) Extremely minute; tiny.

Lead :: Lead (n.) One of the elements, a heavy, pliable, inelastic metal, having a bright, bluish color, but easily tarnished. It is both malleable and ductile, though with little tenacity, and is used for tubes, sheets, bullets, etc. Its specific gravity is 11.37. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic weight, 206.4. Symbol Pb (L. Plumbum). It is chiefly obtained from the mineral galena, lead sulphide..

Silver :: Silver (n.) A soft white metallic element, sonorous, ductile, very malleable, and capable of a high degree of polish. It is found native, and also combined with sulphur, arsenic, antimony, chlorine, etc., in the minerals argentite, proustite, pyrargyrite, ceragyrite, etc. Silver is one of the noble metals, so-called, not being easily oxidized, and is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). Atomic weight 107.7. Specific gravity 10.5..

Atomic :: Atomic (a.) Alt. of Atomica.

Anatomism :: Anatomism (n.) The doctrine that the anatomical structure explains all the phenomena of the organism or of animal life.

Poly- :: Poly- (a.) A combining form or prefix from Gr. poly`s, many; as, polygon, a figure of many angles; polyatomic, having many atoms; polychord, polyconic..

Iodine :: Iodine (n.) A nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors..

Scandium :: Scandium (n.) A rare metallic element of the boron group, whose existence was predicted under the provisional name ekaboron by means of the periodic law, and subsequently discovered by spectrum analysis in certain rare Scandinavian minerals (euxenite and gadolinite). It has not yet been isolated. Symbol Sc. Atomic weight 44..

Pentatomic :: Pentatomic (a.) Having five hydrogen atoms capable of substitution.

Calcium :: Calcium (n.) An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca..

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

Antrum :: Antrum (n.) A cavern or cavity, esp. an anatomical cavity or sinus.

Kamichi :: Kamichi (n.) A curious South American bird (Anhima, / Palamedea, cornuta), often domesticated by the natives and kept with poultry, which it defends against birds of prey. It has a long, slender, hornlike ornament on its head, and two sharp spurs on each wing. Although its beak, feet, and legs resemble those of gallinaceous birds, it is related in anatomical characters to the ducks and geese (Anseres). Called also horned screamer. The name is sometimes applied also to the chaja. See Chaja, and S

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