chemical


chemical
adj. & n.
—adj. of, made by, or employing chemistry or chemicals.
—n. a substance obtained or used in chemistry.
Phrases and idioms:
chemical bond the force holding atoms together in a molecule or crystal. chemical engineer one engaged in chemical engineering, esp. professionally. chemical engineering the design, manufacture, and operation of industrial chemical plants. chemical reaction a process that involves change in the structure of atoms, molecules, or ions. chemical warfare warfare using poison gas and other chemicals. fine chemicals chemicals of high purity usu. used in small amounts. heavy chemicals bulk chemicals used in industry and agriculture.
Derivatives:
chemically adv.
Etymology: chemic alchemic f. F chimique or mod.L chimicus, chymicus, f. med.L alchymicus: see ALCHEMY

Useful english dictionary. 2012.

Look at other dictionaries:

  • Chemical — Chem ic*al, a. Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations. [1913 Webster] {Chemical attraction} or {Chemical… …   The Collaborative International Dictionary of English

  • chemical — [kem′i kəl] adj. [ CHEMIC + AL] 1. of or having to do with chemistry 2. made by or used in chemistry 3. operated or made by the use of chemicals [chemical burns ] ☆ 4. of or involving the use of a drug, alcoholic liquor, etc. [chemical… …   English World dictionary

  • chemical — Ⅰ. chemical UK US /ˈkemɪkəl/ noun [C] ► any basic substance which is used in or produced by a reaction involving changes to atoms or molecules: »The government has pledged to reduce the amount of chemicals used in food production. »Each year,… …   Financial and business terms

  • Chemical — Chem ic*al, n. A substance used for producing a chemical effect; a reagent. [1913 Webster] …   The Collaborative International Dictionary of English

  • chemical — (adj.) 1570s, from chemic of alchemy (a worn down derivative of M.L. alchimicus; see ALCHEMY (Cf. alchemy)) + AL (Cf. al) (1). Related: Chemically …   Etymology dictionary

  • chemical — [adj] concerned with atom and molecule change actinic, alchemical, enzymatic, synthesized, synthetic, synthetical; concept 536 …   New thesaurus

  • chemical — ► ADJECTIVE ▪ relating to chemistry or chemicals. ► NOUN ▪ a distinct compound or substance, especially one which has been artificially prepared or purified. DERIVATIVES chemically adverb. ORIGIN French chimique, from Latin alchimia alchemy …   English terms dictionary

  • chemical — chemically, adv. /kem i keuhl/, n. 1. a substance produced by or used in a chemical process. 2. chemicals, Slang. narcotic or mind altering drugs or substances. adj. 3. of, used in, produced by, or concerned with chemistry or chemicals: a… …   Universalium

  • chemical — Relating to chemistry. * * * chem·i·cal kem i kəl adj 1) of, relating to, used in, or produced by chemistry 2 a) acting or operated or produced by chemicals b) detectable by chemical means chem·i·cal·ly i k(ə )lē adv chemical n …   Medical dictionary

  • chemical — [[t]ke̱mɪk(ə)l[/t]] ♦♦ chemicals 1) ADJ: ADJ n Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of. ...chemical reactions that cause ozone destruction.… …   English dictionary