apterousadj.

/ˈaptərəs/

Etymology: < ancient Greek ἄπτερος wingless ( < ἀ- a- prefix¹ + πτερόν wing) + -ous suffix.

1. Zoology. Wingless; esp. belonging to the Aptera, a sub-order of Insects including lice and spring-tails.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Apterygota or Ametabola > [adjective]

apterous1775

1775 G. White Let. 8 June in Nat. Hist. Selborne (1789) 192 These apterous insects.

1786 Lightfoot Brit. Shells in Philos. Trans. (Royal Soc.) 76 169 The body of the single specimen which had wings was..narrower than the apterous ones.

1880 H. C. Bastian Brain 61 Blind insects are all apterous.

2. Botany. Of seeds, leaf-stalks, etc.: Having no membranous expansions; opposed to alate.

ΘΚΠ

the world > plants > part of plant > part defined by form or function > [adjective] > wing-like or with winged parts

alated1653

alate1661

winged1776

apterous1830

tripterous1866

1830 J. Lindley Introd. Nat. Syst. Bot. 45 [The Mangosteen Tribe have] seeds..always apterous.

This entry has not yet been fully updated (first published 1885; most recently modified version published online June 2018).

单词	apterous
释义	apterousadj. /ˈaptərəs/ Etymology: < ancient Greek ἄπτερος wingless ( < ἀ- a- prefix¹ + πτερόν wing) + -ous suffix. 1. Zoology. Wingless; esp. belonging to the Aptera, a sub-order of Insects including lice and spring-tails. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Apterygota or Ametabola > [adjective] apterous1775 1775 G. White Let. 8 June in Nat. Hist. Selborne (1789) 192 These apterous insects. 1786 Lightfoot Brit. Shells in Philos. Trans. (Royal Soc.) 76 169 The body of the single specimen which had wings was..narrower than the apterous ones. 1880 H. C. Bastian Brain 61 Blind insects are all apterous. 2. Botany. Of seeds, leaf-stalks, etc.: Having no membranous expansions; opposed to alate. ΘΚΠ the world > plants > part of plant > part defined by form or function > [adjective] > wing-like or with winged parts alated1653 alate1661 winged1776 apterous1830 tripterous1866 1830 J. Lindley Introd. Nat. Syst. Bot. 45 [The Mangosteen Tribe have] seeds..always apterous. This entry has not yet been fully updated (first published 1885; most recently modified version published online June 2018). < adj.1775
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