coleoptile

n. [植]胚芽鞘

发音

UK /kɒliːˈɒptɪl/

词形变化

coleoptiles 复数 coleoptiles

释义与例句

n.
  1. 1.

    A pointed sheath that protects the emerging shoot in monocotyledons such as oats and grasses.

    胚芽鞘

    生物 植物学

词源

A classical compound of the Ancient Greek κολεός (koleós, “sheath”) + the English -ptile (“leaf”) – the suffix representing the Ancient Greek πτῐ́λον (ptĭ́lon) – probably after the French coléoptile.

来源：wiktionary