/ap"teuhr euhs/, adj.
1. Zool. wingless, as some insects.
2. Bot. without membranous expansions, as a stem.
[1765-75; < Gk ápteros wingless. See A-6, -PTEROUS]

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  • Apterous — Ap ter*ous, a. 1. (Zo[ o]l.) Destitute of wings; apteral; as, apterous insects. [1913 Webster] 2. (Bot.) Destitute of winglike membranous expansions, as a stem or petiole; opposed to {alate}. [1913 Webster] || …   The Collaborative International Dictionary of English

  • apterous — [ap′tər əs] adj. [Gr apteros < a , without + pteron, a wing, FEATHER] Biol. having no wings or winglike parts …   English World dictionary

  • apterous — adjective Etymology: Greek apteros, from a + pteron wing more at feather Date: 1775 lacking wings < apterous insects > …   New Collegiate Dictionary

  • apterous — ap•ter•ous [[t]ˈæp tər əs[/t]] adj. zool. wingless: an apterous insect[/ex] • Etymology: 1765–75; < Gk ápteros wingless. See a VI, pterous …   From formal English to slang

  • apterous — adj. [Gr. an, without; pteron, wing] (ARTHROPODA: Insecta) Wingless, without wings or winglike expansions; exalate …   Dictionary of invertebrate zoology

  • apterous — adjective a) Destitute of wings; wingless. b) Destitute of winglike membranous expansions, as a stem or petiole …   Wiktionary

  • apterous — ap·ter·ous (apґtər əs) [a 1 + Gr. pteron wing] wingless …   Medical dictionary

  • apterous — ap·ter·ous || æptÉ™rÉ™s adj. wingless (Zoology); lacking wing like expansions (Botany) …   English contemporary dictionary

  • apterous — [ apt(ə)rəs] adjective Entomology (of an insect) having no wings. Origin C18: from Gk apteros (from a without + pteron wing ) + ous …   English new terms dictionary

  • apterous — ap·ter·ous …   English syllables

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