What is "octoic"

Octoic \Oc*to"ic\, a. [See Octo-.] (Chem.) Pertaining to, derived from, or resembling, octane; -- used specifically, to designate any one of a group of acids, the most important of which is called caprylic acid.

a. (context chemistry English) Pertaining to, derived from, or resembling octane; used specifically to designate any of a group of acids including caprylic acid.