DURATION
duration, length
(noun) continuance in time; “the ceremony was of short duration”; “he complained about the length of time required”
duration, continuance
(noun) the property of enduring or continuing in time
duration, continuance
(noun) the period of time during which something continues
Source: WordNet® 3.1
Etymology
Noun
duration (countable and uncountable, plural durations)
An amount of time or a particular time interval.
(in the singular, not followed by "of") The time taken for the current situation to end, especially the current war
(finance) 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.
Anagrams
• drain out
Source: Wiktionary
Du*ra"tion, n. Etym: [OF. duration. See Dure.]
Definition: The state or quality of lasting; continuance in time; the
portion of time during which anything exists.
It was proposed that the duration of Parliament should be limited.
Macaulay.
Soon shall have passed our own human duration. D. Webster.
Source: Webster’s Unabridged Dictionary 1913 Edition