Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of atom is as below...

Bivalent :: Bivalent (p. pr.) Equivalent in combining or displacing power to two atoms of hydrogen; dyad.

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

Somatome :: Somatome (n.) See Somite.

-derm :: -derm (n.) A suffix or terminal formative, much used in anatomical terms, and signifying skin, integument, covering; as, blastoderm, ectoderm, etc..

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..

Polyatomic :: Polyatomic (a.) Having a valence greater than one.

Valsalvian :: Valsalvian (a.) Of or pertaining to Valsalva, an Italian anatomist of the 17th century..

Thorium :: Thorium (n.) A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; -- formerly called also thorinum. Symbol Th. Atomic weight 232.0..

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

Chromium :: Chromium (n.) A comparatively rare element occurring most abundantly in the mineral chromite. Atomic weight 52.5. Symbol Cr. When isolated it is a hard, brittle, grayish white metal, fusible with difficulty. Its chief commercial importance is for its compounds, as potassium chromate, lead chromate, etc., which are brilliantly colored and are used dyeing and calico printing. Called also chrome..

Polymerize :: Polymerize (v. i.) To change into another substance having the same atomic proportions, but a higher molecular weight; to undergo polymerization; thus, aldehyde polymerizes in forming paraldehyde..

Stoicism :: Stoichiometry (n.) The art or process of calculating the atomic proportions, combining weights, and other numerical relations of chemical elements and their compounds..

Monoxide :: Monoxide (n.) An oxide containing one atom of oxygen in each molecule; as, barium monoxide..

Simple :: Simple (a.) Not capable of being decomposed into anything more simple or ultimate by any means at present known; elementary; thus, atoms are regarded as simple bodies. Cf. Ultimate, a..

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

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..

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

Diiodide :: Diiodide (n.) A compound of a binary type containing two atoms of iodine; -- called also biniodide.

Hexane :: Hexane (n.) Any one of five hydrocarbons, C6H14, of the paraffin series. They are colorless, volatile liquids, and are so called because the molecule has six carbon atoms..

Nonane :: Nonane (n.) One of a group of metameric hydrocarbons C9H20 of the paraffin series; -- so called because of the nine carbon atoms in the molecule. Normal nonane is a colorless volatile liquid, an ingredient of ordinary kerosene..

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