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atomic    音标拼音: [ət'ɑmɪk]
a. 原子的,原子武器的;核的,核能的

原子的,原子武器的;核的,核能的

atomic
原子 基元

atomic
adj 1: of or relating to or comprising atoms; "atomic
structure"; "atomic hydrogen"
2: (weapons) deriving destructive energy from the release of
atomic energy; "nuclear war"; "nuclear weapons"; "atomic
bombs" [synonym: {nuclear}, {atomic}] [ant: {conventional}]
3: immeasurably small

Atomic \A*tom"ic\, Atomical \A*tom"ic*al\, a. [Cf. F. atomique.]
1. Of or pertaining to atoms.
[1913 Webster]

2. Extremely minute; tiny.
[1913 Webster]

{Atomic bomb}, see {atom bomb} in the vocabulary.

{Atomic philosophy}, or {Doctrine of atoms}, a system which,
assuming that atoms are endued with gravity and motion,
accounted thus for the origin and formation of all things.
This philosophy was first broached by Leucippus, was
developed by Democritus, and afterward improved by
Epicurus, and hence is sometimes denominated the Epicurean
philosophy.

{Atomic theory}, or the {Doctrine of definite proportions}
(Chem.), teaches that chemical combinations take place
between the supposed ultimate particles or atoms of
bodies, in some simple ratio, as of one to one, two to
three, or some other, always expressible in whole numbers.


{Atomic weight} (Chem.), the weight of the atom of an element
as compared with the weight of the atom of hydrogen, taken
as a standard.
[1913 Webster]

66 Moby Thesaurus words for "atomic":
a certain, an, any, any one, atomatic, atomiferous, atomistic,
corpuscular, cyclic, diatomic, dibasic, either, embryonic,
evanescent, exclusive, germinal, granular, heteroatomic,
heterocyclic, hexatomic, homocyclic, impalpable, imperceptible,
imponderable, inappreciable, indiscernible, individual,
indivisible, infinitesimal, intangible, integral, invisible,
irreducible, isobaric, isocyclic, isoteric, isotopic, lone,
microcosmic, microscopic, molecular, monadic, monatomic, monistic,
one, pentatomic, simple, single, singular, sole, solid, solitary,
subatomic, tenuous, tetratomic, thin, triatomic, tribasic,
ultramicroscopic, unanalyzable, undivided, uniform, unique,
unitary, unseeable, whole

(From Greek "atomos", indivisible) Indivisible;
cannot be split up.

For example, an instruction may be said to do several things
"atomically", i.e. all the things are done immediately, and
there is no chance of the instruction being half-completed or
of another being interspersed. Used especially to convey that
an operation cannot be interrupted.

An atomic {data type} has no internal structure visible to the
program. It can be represented by a flat {domain} (all
elements are equally defined). Machine {integers} and
{Booleans} are two examples.

An atomic {database transaction} is one which is guaranteed to
complete successfully or not at all. If an error prevents a
partially-performed transaction from proceeding to completion,
it must be "backed out" to prevent the database being left in
an inconsistent state.

[{Jargon File}]

(2000-04-03)


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