Definition of atom

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Atom (n.) An ultimate indivisible particle of matter.

Lern More About Atom

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..
Spray :: Spray (v. t.) An instrument for applying such a spray; an atomizer.
Boron :: Boron (n.) A nonmetallic element occurring abundantly in borax. It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic weight 10.9. Symbol B..
Imide :: Imide (n.) A compound with, or derivative of, the imido group; specif., a compound of one or more acid radicals with the imido group, or with a monamine; hence, also, a derivative of ammonia, in which two atoms of hydrogen have been replaced by divalent basic or acid radicals; -- frequently used as a combining form; as, succinimide..
Atom :: Atom (n.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule.
Anatomy :: Anatomy (n.) The science which treats of the structure of organic bodies; anatomical structure or organization.
Diatom :: Diatom (n.) A particle or atom endowed with the vital principle.
Molar :: Molar (a.) Of or pertaining to a mass of matter; -- said of the properties or motions of masses, as distinguished from those of molecules or atoms..
Somite :: Somite (n.) One of the actual or ideal serial segments of which an animal, esp. an articulate or vertebrate, is is composed; somatome; metamere..
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..
Atomistic :: Atomistic (a.) Of or pertaining to atoms; relating to atomism.
Arteriology :: Arteriology (n.) That part of anatomy which treats of arteries.
Polyacid :: Polyacid (a.) Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; -- said of certain bases; as, calcium hydrate and glycerin are polyacid bases..
Coalition :: Coalition (n.) The act of coalescing; union into a body or mass, as of separate bodies or parts; as, a coalition of atoms..
Demonstration :: Demonstration (n.) The exhibition and explanation of a dissection or other anatomical preparation.
Valsalvian :: Valsalvian (a.) Of or pertaining to Valsalva, an Italian anatomist of the 17th century..
Atomician :: Atomician (n.) An atomist.
Syndesmoses :: Syndesmology (n.) That part of anatomy which treats of ligaments.
Quartane :: Quartane (n.) Butane, each molecule of which has four carbon atoms..
Normal :: Normal (a.) Denoting that series of hydrocarbons in which no carbon atom is united with more than two other carbon atoms; as, normal pentane, hexane, etc. Cf. Iso-..
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