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单词 semi-opacity
释义

semi-opacityn.

Etymology: semi- prefix 1b; compare semi-opacous adj.Previous versions of the OED give the stress as: ˌsemi-oˈpacity.
The condition or quality of being semi-opaque.
ΘΚΠ
the world > matter > light > transparency or translucence > [noun] > semi-transparency
semi-diaphaneity1663
semi-opacity1688
semi-transparency1787
1688 R. Boyle Disquis. Final Causes iv. 147 The Opacity of the Uvea, and the Semi-opacity of the Retina.
1836–9 Todd's Cycl. Anat. & Physiol. II. 117/2 The membrane of the cyst is thin, delicate, transparent, or with a certain pearly semi-opacity.
This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2022).
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