(hydrology) A portion of the lithosphere in which the functional interstices of permeable rock or earth are not filled by water under hydrostatic pressure.

The range of temperature, humidity, and other environmental factors that people or other organisms require in order to be physiologically unstressed.

The Panama Canal Zone. / The Suez Canal Zone.

A variety of groups and individuals practicing Scientology independently of the Church of Scientology.

(computing) A hole punched (normally in the top two or three positions) of a punched card in addition to another in order to designate a different (sometimes related) character or to add a plus or minus sign

(oceanography) The part of a shore between high water and low water, especially the beach exposed at maximum ebb spring tides.

Alternative form of time zone

(slang) The situation in which one is viewed by a potential partner as a platonic friend, which complicates the initiation of a romantic relationship.

(slang, transitive) To classify as a friend, without any possibility of a romantic relationship.

plural of zone punch