English version

time span

From Longman Dictionary of Contemporary Englishtime spanˌtime span, timespan /ˈtaɪmspæn/ noun [countable]  a period of time It’s difficult to imagine a time span of a million years.
Examples from the Corpus
time spanThis survey provides a particularly rich source of data because of the long time span covered.We shall not make any comments about this until we have had a chance to inspect a longer time span.Development of all major new weapons programmes would nevertheless continue but over a longer time span.I call this measure the responsibility time span of the role.The time span of observation in these studies varies from a few minutes to several hours.The time span which is likely to be required for a generation of more effective large-scale entrepreneurs to evolve is considerable.Statistically this loss rate is low seen in the perspective of the number of flying Spitfires over this time span.
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