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单词 cryptobranchiate
释义

cryptobranchiateadj.

Brit. /ˌkrɪptə(ʊ)ˈbraŋkɪeɪt/, /ˌkrɪptə(ʊ)ˈbraŋkɪət/, U.S. /ˌkrɪptəˈbræŋkiˌeɪt/, /ˌkrɪptəˈbræŋkiət/
Origin: Formed within English, by compounding. Etymons: crypto- comb. form, -branchiate comb. form.
Etymology: < crypto- comb. form + -branchiate comb. form. With sense 1 compare French cryptobranche (see cryptobranch n. and adj.). With sense 2 compare cryptobranch adj. 1.
Zoology.
1. Designating aquatic invertebrates with concealed gills, esp. certain nudibranch molluscs that are able to completely retract their gills; of or relating to such invertebrates. Cf. cryptobranch adj. 2. Contrasted with nudibranchiate adj.
ΚΠ
1843 R. Owen Lect. Compar. Anat. Invertebr. Animals xv. 182 The mode of breathing in the crypto-branchiate or decapod Crustacea.
1878 Encycl. Brit. VI. 658/1 All the members embraced within the three divisions of the preceding order (Decapoda) were cryptobranchiate.
1922 Biol. Bull. 42 230 The well-known reaction of frogs to shadow (immediate diving) and that of cryptobranchiate nudibranchs (retraction of the gill-plumes within the branchial collar).
1995 P. J. Hayward et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe x. 560/2 Cadlinidae. Cryptobranchiate (gills retractile simultaneously into common branchial pit); broad, with ample mantle skirt.
2. = cryptobranch adj. 1. rare.
ΚΠ
1877 Philos. Trans. (Royal Soc.) 167 586 Some minor stages may be considered together now, so as to bring the Axolotl up to its Cryptobranchiate stage.
1985 E. Osers tr. K. Čapek War with Newts i. i. 77 The Dutch researcher van Hogenhouck..classified these cryptobranchiate giant salamanders as belonging to the true family of salamanders.
This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022).
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adj.1843
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