-one

1.
a suffix used in the names of ketones and analogous chemical compounds:
lactone; quinone.
Origin
perhaps < Greek -ōnē feminine patronymic
British Dictionary definitions for -one

-one

suffix
1.
indicating that a chemical compound is a ketone: acetone
Word Origin
arbitrarily from Greek -ōnē, feminine patronymic suffix, but perhaps influenced by -one in ozone
Word Origin and History for -one

chemical suffix, from Greek -one, female patronymic (cf. anemone, "daughter of the wind" anemos); in chemical use denoting a "weaker" derivative. Its use in forming acetone (1830s) gave rise to the specialized chemical sense.

-one in Medicine

-one suff.

  1. A ketone: acetone.

  2. A compound that contains oxygen, especially in a carbonyl radical: lactone.

-one in Science
-one  
A suffix used to form the names of chemical compounds containing an oxygen atom attached to a carbon atom, such as acetone.