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单词 ovule
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ov•ule  (ovyo̅o̅l, ōvyo̅o̅l),USA pronunciation n. 
  1. [Bot.]
    • Botanya rudimentary seed.
    • Botanythe plant part that contains the embryo sac and hence the female germ cell, which after fertilization develops into a seed.
  2. Developmental Biology, Zoology[Biol.]a small egg.
  • Latin ōvulum little egg. See ovum, -ule
  • 1820–30

Collins Concise English Dictionary © HarperCollins Publishers::
ovule /ˈɒvjuːl/ n
  1. a small body in seed-bearing plants that consists of the integument(s), nucellus, and embryosac (containing the egg cell) and develops into the seed after fertilization
  2. an immature ovum
Etymology: 19th Century: via French from Medieval Latin ōvulum a little egg, from Latin ōvum egg

ˈovular adj
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