foetus

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal

He saw the grub expand into an embryo, and the embryo develop into a foetus. — Astounding Stories of Super-Science, December 1930, Various
[45] It is true that, in these experiments, as in a former observation of the same physiologists,[46] it was the already formed foetus that was influenced by the toxins. — Creative Evolution, Bergson, Henri
He burst forth into a violent diatribe against this “raw-head and bloody bones Bill.” Pitt’s first India Bill, he declared, was an abortion of tyranny, an imperfect foetus in a bottle, to be handed about as a show, but hypocrisy had nursed it till now the full-grown monster was before them. — William Pitt and national revival, J. Holland (John Holland) Rose

fetus

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