chemical suffix, from Greek -one, female patronymic (as in anemone, "daughter of the wind," from anemos); in chemical use denoting a "weaker" derivative. Its use in forming acetone (1830s) gave rise to the specialized chemical sense.
oncer
onco-
oncogene
oncology
oncoming
-one
one
one-act
one-horse
Oneida
oneiric
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