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单词 unpolar
释义

unpolaradj.

Brit. /(ˌ)ʌnˈpəʊlə/, U.S. /ˌənˈpoʊlər/
Origin: Formed within English, by derivation. Etymons: un- prefix1, polar adj.
Etymology: < un- prefix1 + polar adj.
Science.
Not polar (in various senses); = non-polar adj.
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the world > matter > physics > mechanics > force > [adjective] > specific attributes of force
restitutive1683
unpolar1843
powerful1859
equipotential1865
non-central1929
1843 E. M. Clarke List Prices Instruments 73 Suspend a similar bar of unpolar or soft iron.
1899 Jrnl. Physiol. 23 Suppl. p. xiv The electrical conductivity of chloroformed as compared with normal nerve (+ the unpolar electrodes) was found to be raised.
1960 Proc. Royal Soc. A 258 377 Unpolar crystals, such as diamond, silicon or germanium, should show no infra-red absorption.
1980 C. Liljenberg in P. Mazliac et al. Biogenesis & Function Plant Lipids 32 The most unpolar solvent (light petrol) extracted all the β-carotene.
2007 New Phytologist 176 315/2 A gradient occurs between outer unpolar and inner less unpolar wax.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adj.1843
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