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Webster’s Dictionary (1828)



409 words match “ATOM”

ANGIOLOGY n.
That part of anatomy which treats of blood vessels and lymphatics.
ANILINE n.
c 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 It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl.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…
ANTHROPOTOMIST n.
One who is versed in anthropotomy, or human anatomy.
ANTHROPOTOMY n.
The anatomy or dissection of the human body; androtomy. Owen.
ANTIMONY n.
operties, but in its chemical relations belonging to the class of nonmetallic substances. Atomic weight, 120. Symbol, Sb.
ANTRUM n.
A cavern or cavity, esp. an anatomical cavity or sinus. Huxley.
ARSENIC n.
ents. The element and its compounds are active poisons. Specific gravity from 5.7 to 5.9. Atomic weight. Symbol As.
ARTERIOLOGY n.
That part of anatomy which treats of arteries.
ARTERIOTOMY n.
That part of anatomy which treats of the dissection of the arteries.
ARTHROLOGY n.
That part of anatomy which treats of joints.
AZO- n.
Now especially applied to compounds containing a two atom nitrogen group uniting two hydrocarbon radicals, as in azobenzene, azobenzoic, etc. These compounds furnish many artificial dyes. See Diazo-.
AZOLE n.
ny of a large class of compounds characterized by a five- membered ring which contains an atom of nitrogen and at least one other noncarbon atom (nitrogen, oxygen, sulphur). The prefixes furo-, thio, and pyrro-are used to distinguish three subclasses of azoles, which may be regarded as derived respectively from furfura…
BACILLARIAE n.
See Diatom.
BARIUM n.
lt to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight,
BASI- n.
A combining form, especially in anatomical and botanical words, to indicate the base or position at or near a base; forming a base; as, basibranchials, the most ventral of the cartilages or bones of the branchial arches; basicranial, situated at the base of the cranium; basifacial, basitemporal, etc.…
BASIC a.
Having the base in excess, or the amount of the base atomically greater than that of the acid, or exceeding in proportion that of the related neutral salt.
BASICITY n.
The power of an acid to unite with one or more atoms or equivalents of a base, as indicated by the number of replaceable hydrogen atoms contained in the acid.
BENZENE n.
. Benzene nucleus, Benzene ring (Chem.), a closed chain or ring, consisting of six carbon atoms, each with one hydrogen atom attached, regarded as the type from which the aromatic compounds are derived. This ring formula is provisionally accepted as representing the probable constitution of the benzene molecule, C6H6,…
BI; BI- n.
In the composition of chemical names bi- denotes two atoms, parts, or equivalents of that constituent to the name of which it is prefixed, to one of the other component, or that such constituent is present in double the ordinary proportion; as, bichromate, bisulphide. Be- and di- are often used interchangeably.…
BIACID a.
Having two hydrogen atoms which can be replaced by negative atoms or radicals to form salts; -- said of bases. See Diacid.
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