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单词 self-repellency
释义

self-repellencyn.

Brit. /ˌsɛlfrᵻˈpɛlənsi/, /ˌsɛlfrᵻˈpɛln̩si/, U.S. /ˌsɛlfrəˈpɛlənsi/
Origin: Formed within English, by derivation. Etymons: self- prefix, repellency n.
Etymology: < self- prefix + repellency n. Compare self-repellent adj.
Now chiefly historical.
With reference to a substance (esp. a fluid or gas): the property of tending to expand due to consisting of particles which repel each other. With reference to particles, molecules, etc., of the same substance or type: the property of repelling each other. Cf. self-repulsion n.Chiefly with reference to heat and electricity regarded as fluids. Cf. caloric n. 1, electric fluid n.
ΘΚΠ
the world > matter > chemistry > physical chemistry > gaseous phase > [noun] > gas > properties > others
self-repellency1803
1803 J. Robison Black's Lect. Elements Chem. I. 34 We may expect to find the matter of heat..rarefied, in consequence of its own..self-repellency.
1877 G. B. Prescott Electr. & Electric Telegr. ii. 12 The self-repellency of the electricity in [the body] R is thus neutralized by the attraction of [the insulated conductor] a b.
1982 Technol. & Culture 23 25 [This theory] postulated that heat was a subtle fluid whose minute particles possessed the property of self-repellency.
2014 Jrnl. Chromatogr. A. 1324 177/1 The higher the self-repellency, the more the protein resists self-association through steric exclusion of PEG.
This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).
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