Definition of atom

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Atom (n.) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles..

Lern More About Atom

Hecatompedon :: Hecatompedon (n.) A name given to the old Parthenon at Athens, because measuring 100 Greek feet, probably in the width across the stylobate..
Dicalcic :: Dicalcic (a.) Having two atoms or equivalents of calcium to the molecule.
Diatomous :: Diatomous (a.) Having a single, distinct, diagonal cleavage; -- said of crystals..
Andranatomy :: Andranatomy (n.) The dissection of a human body, especially of a male; androtomy..
Chlorine :: Chlorine (n.) One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4..
Gorilla :: Gorilla (n.) A large, arboreal, anthropoid ape of West Africa. It is larger than a man, and is remarkable for its massive skeleton and powerful muscles, which give it enormous strength. In some respects its anatomy, more than that of any other ape, except the chimpanzee, resembles that of man..
Sesquioxide :: Sesquioxide (n.) An oxide containing three atoms of oxygen with two atoms (or radicals) of some other substance; thus, alumina, Al2O3 is a sesquioxide..
Arthrology :: Arthrology (n.) That part of anatomy which treats of joints.
Atomist :: Atomist (n.) One who holds to the atomic philosophy or theory.
Sesquisulphide :: Sesquisulphide (n.) A sulphide, analogous to a sesquioxide, containing three atoms of sulphur to two of the other ingredient; -- formerly called also sesquisulphuret; as, orpiment, As2S3 is arsenic sesquisulphide..
Tribasic :: Tribasic (a.) Capable of neutralizing three molecules of a monacid base, or their equivalent; having three hydrogen atoms capable of replacement by basic elements on radicals; -- said of certain acids; thus, citric acid is a tribasic acid..
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..
Atom :: Atom (n.) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles..
Atomology :: Atomology (n.) The doctrine of atoms.
Atomicity :: Atomicity (n.) Degree of atomic attraction; equivalence; valence; also (a later use) the number of atoms in an elementary molecule. See Valence.
Butyl :: Butyl (n.) A compound radical, regarded as butane, less one atom of hydrogen..
Aniline :: Aniline (n.) An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made..
Tripoli :: Tripoli (n.) An earthy substance originally brought from Tripoli, used in polishing stones and metals. It consists almost wholly of the siliceous shells of diatoms..
Oxide :: Oxide (n.) A binary compound of oxygen with an atom or radical, or a compound which is regarded as binary; as, iron oxide, ethyl oxide, nitrogen oxide, etc..
Vacuist :: Vacuist (n.) One who holds the doctrine that the space between the bodies of the universe, or the molecules and atoms of matter., is a vacuum; -- opposed to plenist..
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