Definition of atom

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

Lern More About Atom

Dioxide :: Dioxide (n.) An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide.
Diatom :: Diatom (n.) One of the Diatomaceae, a family of minute unicellular Algae having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariae, but this word is not in general use..
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..
Pentatomic :: Pentatomic (a.) Having five atoms in the molecule.
Atomism :: Atomism (n.) The doctrine of atoms. See Atomic philosophy, under Atomic..
Herpetotomy :: Herpetotomy (n.) The anatomy or dissection of reptiles.
Bivalent :: Bivalent (p. pr.) Equivalent in combining or displacing power to two atoms of hydrogen; dyad.
Zootomy :: Zootomy (n.) The dissection or the anatomy of animals; -- distinguished from androtomy.
Diiodide :: Diiodide (n.) A compound of a binary type containing two atoms of iodine; -- called also biniodide.
Vertebro- :: Vertebro- () A combining form used in anatomy to indicate connection with, or relation to, a vertebra, vertebrae, or vertebral column; as in vertebrocostal..
Trichloride :: Trichloride (n.) A chloride having three atoms of chlorine in the molecule.
Anatomies :: Anatomies (pl. ) of Anatom.
Stereochrome :: Stereo-chemistry (n.) Chemistry considered with reference to the space relations of atoms.
Clastic :: Clastic (a.) Pertaining to what may be taken apart; as, clastic anatomy (of models)..
Palato- :: Palato- () A combining form used in anatomy to indicate relation to, or connection with, the palate; as in palatolingual..
Amine :: Amine (n.) One of a class of strongly basic substances derived from ammonia by replacement of one or more hydrogen atoms by a basic atom or radical.
Glycerine :: Glycerine (n.) An oily, viscous liquid, C3H5(OH)3, colorless and odorless, and with a hot, sweetish taste, existing in the natural fats and oils as the base, combined with various acids, as oleic, margaric, stearic, and palmitic. It is a triatomic alcohol, and hence is also called glycerol. See Note under Gelatin..
Trivalent :: Trivalent (a.) Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia..
Disulphuric :: Disulphuric (a.) Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation.
Pentad :: Pentad (n.) Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds..
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