opaloidadj.

Brit.

/ˈəʊpəlɔɪd/, U.S.

/ˈoʊpəˌlɔɪd/

Origin: Formed within English, by derivation. Etymons: opal n., -oid suffix.

Etymology: < opal n. + -oid suffix. Compare earlier opalescent adj., opal-like adj., opalesque adj.

Now rare.

Resembling an opal in colour or appearance; opalescent.

ΘΚΠ

the world > matter > colour > variegation > iridescence > [adjective] > like opal in colour or iridescence

opala1586

opaline1658

opalish1805

opalescent1814

opalesque1848

opaloid1875

1875 Rep. Reconnaissance N.W. Wyoming (U.S. Army Corps. Engineers) 304 It closely resembles in analysis the opaloid, stratiform specimen.

1882 J. Dredge Electr. Illumination I. 643 Each lamp being enclosed within a ground [glass] or opaloid shade.

1939 B. Dudley in K. Henney & B. Dudley Handbk. Photogr. xiii. 408 If a negative has not been sufficiently fixed, it will assume a white opaloid or white appearance when immersed in the alcohol bath.

1943 Bull. Torrey Bot. Club 70 566 The rest of the hypocotyl is opaloid. No effort was made to determine whether the pigment deteriorated with the enlargement of the cells or whether it was merely masked by the total reflection of light.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	opaloid
释义	opaloidadj. Brit. /ˈəʊpəlɔɪd/, U.S. /ˈoʊpəˌlɔɪd/ Origin: Formed within English, by derivation. Etymons: opal n., -oid suffix. Etymology: < opal n. + -oid suffix. Compare earlier opalescent adj., opal-like adj., opalesque adj. Now rare. Resembling an opal in colour or appearance; opalescent. ΘΚΠ the world > matter > colour > variegation > iridescence > [adjective] > like opal in colour or iridescence opala1586 opaline1658 opalish1805 opalescent1814 opalesque1848 opaloid1875 1875 Rep. Reconnaissance N.W. Wyoming (U.S. Army Corps. Engineers) 304 It closely resembles in analysis the opaloid, stratiform specimen. 1882 J. Dredge Electr. Illumination I. 643 Each lamp being enclosed within a ground [glass] or opaloid shade. 1939 B. Dudley in K. Henney & B. Dudley Handbk. Photogr. xiii. 408 If a negative has not been sufficiently fixed, it will assume a white opaloid or white appearance when immersed in the alcohol bath. 1943 Bull. Torrey Bot. Club 70 566 The rest of the hypocotyl is opaloid. No effort was made to determine whether the pigment deteriorated with the enlargement of the cells or whether it was merely masked by the total reflection of light. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < adj.1875
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