Simple Definition of embryo

from our Learner's Dictionary

embryo

noun

ˈɛmbriˌoʊ

plural embryos

: a human or animal in the early stages of development before it is born, hatched, etc.

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“Embryo.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/embryo. Accessed 16 Jun. 2026.

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