| 释义 |
chem·i·cal
I. \ˈkemə̇kəl, -ēk-\ adjective
Etymology: alteration of earlier chimical, from chimic (earlier form of chemic) + -al
1.
a. obsolete : alchemical
b. archaic : of or relating to Paracelsian medicine specifically as it opposes Galenic medicine
2. : relating to applications of chemistry: as
a. : acting or operated by chemical means
< a chemical extinguisher >
b. : treated with or performed by the aid of chemicals
< chemical development in photography >
c. : produced by chemical means or synthesized from chemicals
< chemical fiber >
< chemical rubber >
d. : suitable for use in or used for operations in chemistry
< a chemical laboratory >
< a chemical plant >
3. : having reference to or relating to the science of chemistry: as
a. : occupied with chemistry
< a chemical researcher >
< chemical societies >
b. : dealing with chemistry
< a chemical journal >
< chemical nomenclature >
c. : characterized by the phenomena of chemistry
< chemical changes >
< chemical forces >
4. : of or relating to rocks (as gypsum, salt, and most limestones) that are deposited from solution
II. noun
(-s)
Etymology: alteration of earlier chimical, from chimical, adjective
: a substance (as an acid, alkali, salt, synthetic organic compound) obtained by a chemical process, prepared for use in chemical manufacture, or used for producing a chemical effect — see fine chemical, heavy chemical
III. transitive verb
(-ed/-ing/-s)
: chemicalize |