unoperculatedadj.

Brit.

/(ˌ)ʌnˌəʊˈpəːkjᵿlətᵻd/,

/(ˌ)ʌnˌɒˈpəːkjᵿlətᵻd/, U.S.

/ˌənˌoʊˈpərkjəˌleɪdᵻd/

Origin: Formed within English, by derivation; perhaps modelled on a Latin lexical item. Etymons: un- prefix¹, operculated adj.

Etymology: < un- prefix¹ + operculated adj., perhaps after scientific Latin inoperculatus inoperculate adj. Compare inoperculated adj.

Zoology.

Having no operculum. Cf. unoperculate adj.

ΘΚΠ

the world > animals > animal body > general parts > [adjective] > having a cover or lid > having no cover or lid

unoperculated1823

unoperculate1882

1823 Philos. Trans. (Royal Soc.) 113 397 The unoperculated genera are very abundant in the London clay.

1974 Trans. Amer. Microsc. Soc. 93 413 Ova..appear unoperculated.

2006 Invertebr. Biol. 125 2/2 The eggs of all four Eubothrium species..are large, spherical to oval, unoperculated, and contain an active oncosphere.

This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).

单词	unoperculated
释义	unoperculatedadj. Brit. /(ˌ)ʌnˌəʊˈpəːkjᵿlətᵻd/, /(ˌ)ʌnˌɒˈpəːkjᵿlətᵻd/, U.S. /ˌənˌoʊˈpərkjəˌleɪdᵻd/ Origin: Formed within English, by derivation; perhaps modelled on a Latin lexical item. Etymons: un- prefix¹, operculated adj. Etymology: < un- prefix¹ + operculated adj., perhaps after scientific Latin inoperculatus inoperculate adj. Compare inoperculated adj. Zoology. Having no operculum. Cf. unoperculate adj. ΘΚΠ the world > animals > animal body > general parts > [adjective] > having a cover or lid > having no cover or lid unoperculated1823 unoperculate1882 1823 Philos. Trans. (Royal Soc.) 113 397 The unoperculated genera are very abundant in the London clay. 1974 Trans. Amer. Microsc. Soc. 93 413 Ova..appear unoperculated. 2006 Invertebr. Biol. 125 2/2 The eggs of all four Eubothrium species..are large, spherical to oval, unoperculated, and contain an active oncosphere. This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021). < adj.1823
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