a length of time

noun

Roget 110: diuturnity^†; a long time, a length of time; an age, a century, an eternity; slowness etc. 275; perpetuity etc. 112; blue moon, coon's age [U.S.], dog's age.    durableness, durability; persistence, endlessness, lastingness etc. adj.^†; continuance, standing; permanence etc. (stability) 150; survival, survivance^†; longevity etc. (age) 128; distance of time.    protraction of time, prolongation of time, extension of time; delay etc. (lateness) 133.    ... show more

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