embryo Definition in the Cambridge English Dictionary
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Definition of “embryo” - English Dictionary

Definition of "embryo" - American English Dictionary

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embryonoun [C]

 us   /ˈem·briˌoʊ/ (plural embryos)
biology a ​human being or ​animal in an early ​stage of development, either in ​its mother’s ​uterus or in an ​egg, or a ​plant that is ​developing in a ​seed
(Definition of embryo from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "embryo" - British English Dictionary

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embryonoun [C]

uk   /ˈem.bri.əʊ/  us   /-oʊ/ (plural embryos)
an ​animal that is ​developing either in ​its mother's womb or in an ​egg, or a ​plant that is ​developing in a ​seed: Between the eighth ​week of ​development and ​birth a ​human embryo is called a ​foetus.in embryo formal developing and not ​yetcomplete: The department's ​plans for ​enlargement are still in embryo.
(Definition of embryo from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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