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单词 non-chemical
释义

non-chemicaladj.

Brit. /nɒnˈkɛmᵻkl/, U.S. /nɑnˈkɛmək(ə)l/
Origin: Formed within English, by derivation. Etymons: non- prefix, chemical adj. and n.
Etymology: < non- prefix + chemical adj. and n.
1. Not concerned with or related to chemistry; not knowledgeable about chemistry.
ΚΠ
1847 Sci. Amer. 6 Feb. 160/1 ‘How strong!’ exclaims a non-chemical operator; ‘how well this will project a ball!’
1886 Mass. Inst. Technol. Ann. Catal. 1886–7 28 The non-chemical studies, such as mathematics, physics, mineralogy, English, history.
1974 Verbatim Dec. 1/1 The elements for which there is likely to be a nonchemical..name.
1992 W. H. Brock Fontana Hist. Chem. p. xxii There is sufficient of a human interest story..to propel the non-chemical reader toward the final pages.
2. Not involving or produced by chemicals or chemical reactions.
ΚΠ
1927 Daily Tel. 11 May 18/3 New patent non-chemical refrigerator and ice-maker.
1964 N. G. Clark Mod. Org. Chem. vii. 119 This and other non-chemical uses of acetylene today account for only about 20 per cent of the amount consumed.
1999 M. Syal Life isn't All Ha Ha Hee Hee (2000) iii. 130 Chatting to Chila was a good non-chemical sedative.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1847
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