The duration of each lesson was measured by the clock, which at last struck twelve.
April advanced to May: a bright serene May it was; days of blue sky, placid sunshine, and soft western or southern gales filled up its duration.
But joy soon effaced every other feeling; and loud as the wind blew, near and deep as the thunder crashed, fierce and frequent as the lightning gleamed, cataract-like as the rain fell during a storm of two hours’ duration, I experienced no fear and little awe.
There are no more uses of "duration" in the book.
Show samples from other sources
I take zinc tablets to help shorten the duration of a cold.
More frequent and longer duration exercise is associated with better health.