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单词 acromyodian
释义

acromyodianadj.

Brit. /ˌakrəʊmʌɪˈəʊdɪən/, U.S. /ˌækroʊˌmaɪˈoʊdiən/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Acromyodi , -an suffix.
Etymology: < scientific Latin Acromyodi, former group name ( A. H. Garrod 1876, in Proc. Zool. Soc. 517) < acro- acro- comb. form + -myodi (in Polymyodi : see polymyodian adj.) + -an suffix. Compare mesomyodian adj. and earlier polymyodian adj.
Ornithology.
Of a bird: having a syrinx whose muscles are attached to the ends of the bronchial semi-rings; spec. (in Garrod's scheme) belonging to the division Acromyodi of passerine birds, closely corresponding to the suborder Oscines (the songbirds). Also: characteristic of such a bird. Cf. mesomyodian adj.
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acromyodian1876
holaspidean1885
pseudoscinine1890
taxaspidean1899
1876 A. H. Garrod in Proc. Zool. Soc. 517 All Acromyodian Passeres of species which I have examined..possess the sciatic artery.
1884 E. Coues Key to N. Amer. Birds (ed. 2) iii. 239 Associated with the acromyodian or oscine type of syrinx is a peculiar condition of the tarsal envelope.
1959 J. Van Tyne & A. J. Berger Fund. Ornithol. ii. 58 Acromyodian passerines (‘Passerines’ or Oscines; Lyrebirds; Scrub-birds), which have the syringeal muscles attached to the extremities of the bronchial semirings.
1985 Systematic Zool. 34 38/2 Only because the oscine syrinx is fairly uniform throughout the order does the term ‘acromyodian’ nearly always refer to the same condition.
2001 B. K. MacKay Bird Sounds iii. 18 The two species of lyrebirds... are classified as Acromyodian passerines.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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adj.1876
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