octyl

As nouns the difference between octa and octyl

is that octa is (meteorology) the fraction of the sky that is obscured by clouds, in eighths (one octa means that one eighth of the sky is obscured, two octas that one quarter is obscured, and so on) while octyl is (organic chemistry) any of very many isomeric univalent hydrocarbon radicals, c₈h₁₇, formally derived from octane by the loss of a hydrogen atom.

As nouns the difference between octyl and octal

is that octyl is any of very many isomeric univalent hydrocarbon radicals, C₈H₁₇, formally derived from octane by the loss of a hydrogen atom while octal is the number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.

As an adjective octal is

concerning numbers expressed in octal or mathematical calculations performed using octal.

In organic chemistry|lang=en terms the difference between octoyl and octyl

is that octoyl is (organic chemistry) a hypothetical radical, c₈h₁₅o, regarded as the essential residue of octoic acid while octyl is (organic chemistry) any of very many isomeric univalent hydrocarbon radicals, c₈h₁₇, formally derived from octane by the loss of a hydrogen atom.

As nouns the difference between octoyl and octyl

is that octoyl is (organic chemistry) a hypothetical radical, c₈h₁₅o, regarded as the essential residue of octoic acid while octyl is (organic chemistry) any of very many isomeric univalent hydrocarbon radicals, c₈h₁₇, formally derived from octane by the loss of a hydrogen atom.

As nouns the difference between octyl and perfluorooctyl

is that octyl is (organic chemistry) any of very many isomeric univalent hydrocarbon radicals, c₈h₁₇, formally derived from octane by the loss of a hydrogen atom while perfluorooctyl is (organic chemistry|especially in combination) any perfluoro derivative of an octyl radical.