The Collaborative International Dictionary
Pelargonic
Pelargonic \Pel`ar*gon"ic\, a. (Chem.) Pertaining to, or designating, an organic acid (called also nonoic acid) found in the leaves of the geranium ( Pelargonium) and allied plants.
Wiktionary
pelargonic
a. 1 Of or pertaining to plants of the genus ''Pelargonium'' 2 (context chemistry English) Of or pertaining to pelargonic acid or its derivatives