Duration

Noun

 * 1) An amount of time or a particular time interval
 * 2) (in the singular, not followed by "of") The time taken for the current situation to end, especially the current war
 * Rationing will last at least for the duration.
 * 1)  A measure of the sensitivity of the price of a financial asset to changes in interest rates, computed for a simple bond as a weighted average of the maturities of the interest and principal payments associated with it.

Adjectives for Duration
blooming; perpetual; irregular; ibie; indefinite; customary; variable; uncertain; momentary; endless; probable; limitless; comprehensive.

Verbs for Duration
allow for—; calculate—; depend on—; fade in—; forbid—; grant—; limit—; mark—; pass—; portion—; prepare for—; propose—; time—; —continues; —lasts; —restricts; —suffices; —terminates.

Thesaurus
abidingness, age, antiquity, changelessness, chronology, constancy, continuance, continuation, continuity, defeat of time, defiance of time, diuturnity, durability, durableness, duree, endurance, firmness, fixedness, frozenness, hardening, immobility, immovability, immovableness, immutability, invariability, invariableness, inveteracy, lastingness, long standing, long-lastingness, long-livedness, longevity, maintenance, perdurability, perennation, period, permanence, permanency, perpetualness, perpetuity, persistence, persistency, psychological time, quiescence, rigidity, run, solidity, space, space-time, span, spell, stability, standing, stasis, steadfastness, survival, survivance, tense, tenure, term, the future, the past, the present, tide, time, timebinding, torpor, unchangeability, unchangingness, while

Etymology
From dictionary.reference.com: 1350–1400; ME < ML dūrātiōn- (s. of dūrātiō), equiv. to L dūrāt(us) (ptp. of dūrāre to last; see dure 2 ) + -iōn-  -ion

Translations

 * Arabic: مدة
 * Bulgarian: продължителност, времетраене
 * Chinese:
 * Mandarin:, ,  長短,  长短,  為期,  为期,  ,
 * Czech:
 * Dutch:
 * French:


 * German:
 * Greek:
 * Hebrew:
 * Japanese:, 存続
 * Persian: مدت
 * Polish: czas trwania
 * Russian: продолжительность, длительность
 * Telugu: గడువు (gaDuvu)