Dictionary.com
definitions
  • synonyms

-onic

  1. a suffix used in forming names of acids, especially carboxylic acids obtained by oxidation of aldoses: gluconic acid.
Show More

Origin of -onic

perhaps generalized from lactonic acid as translation of German Lactonsäure; see lactose, -one, -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018