Meaning of “embryo” in the English Dictionary

british dictionary

"embryo" in British English

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embryonoun [ C ]

uk /ˈem.bri.əʊ/ us /ˈem.bri.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 yet complete:

The department's plans for enlargement are still in embryo.

(Definition of “embryo” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"embryo" in American English

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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)