What is 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 called?

octoic — 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. (Webster's 1913.)

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