- short for amniocentesis
WordReference Random House Unabridged Dictionary of American English © 2025
am•ni•o
(am′nē ō′),USA pronunciation n., pl. -ni•os.
- Surgery[Informal.]amniocentesis.
- by shortening 1985–90
Collins Concise English Dictionary © HarperCollins Publishers::
'amnio' also found in these entries (note: many are not synonyms or translations):