˜yÐÄvlog

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coleoptile

[ koh-lee-op-til, kol-ee- ]

noun

Botany.
  1. (in grasses) the first leaf above the ground, forming a sheath around the stem tip.

coleoptile

/ ËŒ°ìÉ’±ôɪˈɒ±è³Ù²¹Éª±ô /

noun

  1. a protective sheath around the plumule in grasses
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

coleoptile

/ °ìÅ′lŧ-űè′³ÙÄ­±ô,°ìűô′ē- /

  1. A protective sheath enclosing the shoot tip and embryonic leaves of grasses.
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˜yÐÄvlog History and Origins

Origin of coleoptile1

1865–70; < New Latin coleoptilum < Greek °ì´Ç±ô±ðó ( n ) sheath, scabbard + ±è³Ùí±ô´Ç²Ô soft feathers, down
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˜yÐÄvlog History and Origins

Origin of coleoptile1

C19: from New Latin coleoptilum, from Greek koleon sheath + ptilon down, soft plumage

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