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Lanthanum :: Lanthanum (n.) A rare element of the group of the earth metals, allied to aluminium. It occurs in certain rare minerals, as cerite, gadolinite, orthite, etc., and was so named from the difficulty of separating it from cerium, didymium, and other rare elements with which it is usually associated. Atomic weight 138.5. Symbol La..

Schneiderian :: Schneiderian (a.) Discovered or described by C. V. Schneider, a German anatomist of the seventeenth century..

Keratome :: Keratome (n.) An instrument for dividing the cornea in operations for cataract.

Omo- :: Omo- () A combining form used in anatomy to indicate connection with, or relation to, the shoulder or the scapula..

Valve :: Valve (n.) One of the two similar portions of the shell of a diatom.

Potassium :: Potassium (n.) An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight 39.0. Symbol K (Kalium)..

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..

Nebulization :: Nebulization (n.) The act or process of nebulizing; atomization.

Unisilicate :: Unisilicate (n.) A salt of orthosilicic acid, H4SiO4; -- so called because the ratio of the oxygen atoms united to the basic metals and silicon respectively is 1:1; for example, Mg2SiO4 or 2MgO.SiO2..

Basicity :: Basicity (n.) The power of an acid to unite with one or more atoms or equivalents of a base, as indicated by the number of replaceable hydrogen atoms contained in the acid..

Polychromic :: Polychromic (a.) Pertaining to, or designating, any one of several acids (known only in their salts) which contain more than one atom of chromium..

Arteriotomy :: Arteriotomy (n.) That part of anatomy which treats of the dissection of the arteries.

Hexad :: Hexad (n.) An atom whose valence is six, and which can be theoretically combined with, substituted for, or replaced by, six monad atoms or radicals; as, sulphur is a hexad in sulphuric acid. Also used as an adjective..

Nebulize :: Nebulize (v. t.) To reduce (as a liquid) to a fine spray or vapor; to atomize.

Cobalt :: Cobalt (n.) A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co..

Atomization :: Atomization (n.) The act of reducing to atoms, or very minute particles; or the state of being so reduced..

Antimony :: Antimony (n.) An elementary substance, resembling a metal in its appearance and physical properties, but in its chemical relations belonging to the class of nonmetallic substances. Atomic weight, 120. Symbol, Sb..

Hyo- :: Hyo- () A prexif used in anatomy, and generally denoting connection with the hyoid bone or arch; as, hyoglossal, hyomandibular, hyomental, etc..

Atomical :: Atomical (a.) Of or pertaining to atoms.

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..

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