(mathematical analysis) (of a Borel set) That its measure is equal to the infimum of the measures of all open sets which contain it.

plural of outer planet

(slang, rare) kisser, someone who makes out (kisses)

(informal) someone who pulls out, or pulls out something.

One who abandons or withdraws from an established religion, opinion, custom, creed, etc. / One who seeks radical political or religious reform.

An extremist or radical.

(astronomy) Any planet of the Solar System whose orbit is located beyond the asteroid belt, i.e., any of Jupiter, Saturn, Uranus, or Neptune.

A archipelago of the Hebrides in Scotland, separated from the Inner Hebrides by the Little Minch.

Region outside explored space.

(anatomy) The outer portion of the ear which includes the auricle and the ear canal and leads to the eardrum.