英语词汇“passage form”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

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passage form

passage form n. Biology a form that is intermediate or transitional between two species.

ΚΠ

1865 Philos. Trans. (Royal Soc.) 155 343 This may be looked at as a passage-form from a simple Vaginulina..or it may be regarded as a medium between Cristellaria and Marginulina; and so leading to Nodosaria.

1901 Nature 3 Jan. 234/2 He finds that..passage-forms prove to be the rule, while sharply-defined and typical species are the exception.

1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) iii. 66 The mineral sodalite may develop and yields sodalite syenites which are passage forms to nepheline syenites.

extracted from passagen.

as lemmas

单词	passage form
释义	> as lemmas passage form passage form n. Biology a form that is intermediate or transitional between two species. ΚΠ 1865 Philos. Trans. (Royal Soc.) 155 343 This may be looked at as a passage-form from a simple Vaginulina..or it may be regarded as a medium between Cristellaria and Marginulina; and so leading to Nodosaria. 1901 Nature 3 Jan. 234/2 He finds that..passage-forms prove to be the rule, while sharply-defined and typical species are the exception. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) iii. 66 The mineral sodalite may develop and yields sodalite syenites which are passage forms to nepheline syenites. extracted from passagen. < as lemmas
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