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Webster’s Dictionary (1828)



409 words match “ATOM”

DESCRIPTIVE a.
escriptive phrase; a descriptive narration; a story descriptive of the age. Descriptive anatomy, that part of anatomy which treats of the forms and relations of parts, but not of their textures. -- Descriptive geometry, that branch of geometry. which treats of the graphic solution of problems involving three dimension…
DEUTOHYDROGURET n.
A compound containing in the molecule two atoms of hydrogen united with some other element or radical. [Obs.]
DEUTOXIDE n.
A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide, or less frequently, binoxide.
DI- n.
denoting two atoms, radicals, groups, or equivalents, as the case may be. See Bi-,
DIAZO- n.
ertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo- benzene, C6H5.N2.OH.
DIBASIC a.
Having two acid hydrogen atoms capable of replacement by basic atoms or radicals, in forming salts; bibasic; -- said of acids, as oxalic or sulphuric acids. Cf. Diacid, Bibasic.
DICALCIC a.
Having two atoms or equivalents of calcium to the molecule.
DIIODIDE n.
A compound of a binary type containing two atoms of iodine; -- called also biniodide.
DIOXIDE n. 2 definitions
An oxide containing two atoms of oxygen in each molecule; binoxide.
DISELENIDE n.
A selenide containing two atoms of selenium in each molecule.
DISSECT v.
as an animal or a plant, for examination and to show their structure and relations; to anatomize.
DISSECTION n.
part, or the whole, of an animal or plant dissected so as to exhibit the structure; an anatomical so prepared. Dissection wound, a poisoned wound incurred during the dissection of a dead body.
DISSECTOR n.
One who dissects; an anatomist.
DISULPHIDE n.
A binary compound of sulphur containing two atoms of sulphur in each molecule; -- formerly called disulphuret. Cf. Bisulphide.
DISULPHURIC a.
Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation. Disulphuric acid, a thick oily liquid, H2S2O7, called also Nordhausen acid (from Nordhausen in the Harts, where it was originally manufactured), fuming sulphuric acid, and especially pyrosulphuric acid. See under Pyrosulph…
DOCTRINE n.
in any branch of knowledge; any tenet or dogma; a principle of faith; as, the doctrine of atoms; the doctrine of chances. "The doctrine of gravitation." I. Watts. Articles of faith and doctrine. Hooker. The Monroe doctrine (Politics), a policy enunciated by President Monroe (Message, Dec. 2, 1823), the essential featur…
DYAD n. 2 definitions
An element, atom, or radical having a valence or combining power of two.
EPICUREAN a.
ng. Courses of the most refined and epicurean dishes. Prescott. Epicurean philosophy. See Atomic philosophy, under Atomic.
EQUIVALENCE n.
The quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency. See Valence.
EQUIVALENT n.
A combining unit, whether an atom, a radical, or a molecule; as, in acid salt two or more equivalents of acid unite with one or more equivalents of base. Mechanical equivalent of heat (Physics), the number of units of work which the unit of heat can perform; the mechanical energy which must be expended to raise the tem…
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