amnio amnic • amnioallantoic · · · Info · Definitions · Synonyms · Characters · · amnio · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities. Synonyms: amniocentesis. · · Noun Definition 1 Synonyms · · · amniocentesis · · Synonym 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F