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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..

Pentavalent :: Pentavalent (a.) Having a valence of five; -- said of certain atoms and radicals.

Atom :: Atom (n.) An ultimate particle of matter not necessarily indivisible; a molecule.

Anatomically :: Anatomically (adv.) In an anatomical manner; by means of dissection.

Stylobate :: Stylo- () A combining form used in anatomy to indicate connection with, or relation to, the styloid process of the temporal bone; as, stylohyal, stylomastoid, stylomaxillary..

Substitute :: Substituent (n.) Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed..

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

Hematoma :: Hematoma (n.) A circumscribed swelling produced by an effusion of blood beneath the skin.

Polymerize :: Polymerize (v. t.) To cause polymerization of; to produce polymers from; to increase the molecular weight of, without changing the atomic proportions; thus, certain acids polymerize aldehyde..

Anthropotomist :: Anthropotomist (n.) One who is versed in anthropotomy, or human anatomy..

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

Tungsten :: Tungsten (n.) A rare element of the chromium group found in certain minerals, as wolfram and scheelite, and isolated as a heavy steel-gray metal which is very hard and infusible. It has both acid and basic properties. When alloyed in small quantities with steel, it greatly increases its hardness. Symbol W (Wolframium). Atomic weight, 183.6. Specific gravity, 18..

Erbium :: Erbium (n.) A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er. Atomic weight 165.9. Its salts are rose-colored and give characteristic spectra. Its sesquioxide is called erbia.

Hexa :: Hexa () A prefix or combining form, used to denote six, sixth, etc.; as, hexatomic, hexabasic..

Glucinum :: Glucinum (n.) A rare metallic element, of a silver white color, and low specific gravity (2.1), resembling magnesium. It never occurs naturally in the free state, but is always combined, usually with silica or alumina, or both; as in the minerals phenacite, chrysoberyl, beryl or emerald, euclase, and danalite. It was named from its oxide glucina, which was known long before the element was isolated. Symbol Gl. Atomic weight 9.1. Called also beryllium..

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..

Unsymmetrical :: Unsymmetrical (a.) Being without symmetry of chemical structure or relation; as, an unsymmetrical carbon atom..

Sarcology :: Sarcology (n.) That part of anatomy which treats of the soft parts. It includes myology, angiology, neurology, and splanchnology..

Atomically :: Atomically (adv.) In an atomic manner; in accordance with the atomic philosophy.

Magnesium :: Magnesium (n.) A light silver-white metallic element, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required. Its compounds occur abundantly, as in dolomite, talc, meerschaum, etc. Symbol Mg. Atomic weight, 24.4. Specific gravity, 1.75..

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