单词 | ovule |
释义 | Word Frequency ovule(ˈɒvjuːl) noun 1. a small body in seed-bearing plants that consists of the integument (s), nucellus, and embryo sac (containing the egg cell) and develops into the seed after fertilization 2. zoology an immature ovum Derived forms ovular (ˈovular) adjective Word origin C19: via French from Medieval Latin ōvulum a little egg, from Latin ōvum egg |
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