comparative form of long-term: more long-term

Alternative form of longeval

Alternative form of longevous

comparative form of long-lasting: more long-lasting

plural of longitudinal wave

A marine chronometer.

plural of longitude clock

plural of longitudinal recording

Alternative spelling of daddy long-legs spider

(historiography, social sciences) A long period of time during which social processes develop or social structures evolve. / An approach to the study of history over such long periods.