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单词 relucency
释义

relucencyn.

Brit. /riːˈluːsnsi/, U.S. /riˈlusənsi/
Origin: Formed within English, by derivation. Etymons: relucent adj., -ency suffix.
Etymology: < relucent adj.: see -ency suffix. Compare later relucence n., and foreign-language parallels cited at that entry.
1. The quality of being relucent; radiance, resplendence; an instance of this. Now rare.
ΘΚΠ
the world > matter > light > reflection > [noun] > state of being reflective
relucency1611
reflexivity1662
reflectibility1672
relucence1717
reflectivity1853
1611 J. Florio Queen Anna's New World of Words Rilucenza, a shining or relucency.
1669 J. Tombes Emmanuel xii. 105 The shining out brightness, or splendor, relucency, or as it were beam of Gods Glory, that is his Substance, Nature, or Being, who is light.
1701 W. Anstruther Ess., Moral & Divine v. 197 We..shined as bright Orbs, with the Rayes of our own native relucency.
a1737 J. Hutchinson tr. S. Glassius in Moses's Sine Principio (1748) xiii. 212 Apaugasma Brightness is a Relucency [L. relucentia], Resplendency, as a Ray.
1914 C. Mackenzie Sinister Street ii. vi. 531 She was looking down at him from clouded eyes still passionate... He, ravished by their flamy blue relucency, could not care whether she answered him or not.
2. Ophthalmology. The property of the cornea, lens, or other transparent part of the eye of shining in response to illumination by a beam of light, arising from partial reflection and scattering of the light; (also) the degree to which this occurs.
ΚΠ
1923 B. Graves in Trans. Ophthalmol. Soc. 43 388 For purposes of brief reference I feel that some concise non-committal term is wanted to express that property of, e.g., the cornea, in virtue of which a beam of light traversing the tissue becomes visible. I suggest the term ‘relucency’.
1966 Science 1 July 83/3 The cortical area of the lens was almost optically clear instead of having its normal relucency.
2005 K. N. Gelatt Essent. Vet. Ophthalmol. x. 234 Note the increased relucency and glistening refractile property of some lens fibers.
This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).
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n.1611
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