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单词 polycotyledonary
释义

polycotyledonary

/ˌpɒlɪˌkɒtɪˈliːd(ə)n(ə)ri/
adjective
1 Zoology (Of a chorion or placenta) having many cotyledons (tufts of villi); (of an animal) having such a chorion or placenta. Now rare.
2 Botany. Of a plant embryo: = polycotyledonous rare.

Origin

Late 19th century; earliest use found in Proceedings of the Royal Society of London. From poly- + cotyledonary.

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