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span

/spæn/ · span
noun
  1. The space from the thumb to the end of the little finger when extended; nine inches; an eighth of a fathom. The sailor measured the rope's length with a span.
  2. A small space or a brief portion of time. He has a short attention span and gets bored within minutes.
  3. A portion of something by length; a subsequence. The graph's span represents the range of values it can take.
Did you know? The term 'attention span' was first coined in the 19th century to describe the ability of the human mind to focus on a particular task or subject for a prolonged period.
Written by Lexi Wordsworth, Dictionary Editor 2 lookups Added Jul 28, 2026