noun \ˈleŋ(k)th, ˈlen(t)th\

: the distance from one end of something to the other end : a measurement of how long something is

: the size or extent of a piece of writing

: the quality or state of being long

plural lengths \ˈleŋ(k)ths, ˈlen(t)ths, ˈleŋ(k)s\

Full Definition of LENGTH

a :  the longer or longest dimension of an object
b :  a measured distance or dimension <10 feet in length> — see metric system table, weight table
c :  the quality or state of being long
a :  duration or extent in time
b :  relative duration or stress of a sound
a :  distance or extent in space
b :  the length of something taken as a unit of measure <his horse led by a length>
:  the degree to which something (as a course of action or a line of thought) is carried —often used in plural <went to great lengths to learn the truth>
a :  a long expanse or stretch
b :  a piece constituting or usable as part of a whole or of a connected series :  section <a length of pipe>
:  the longer or vertical dimension of a piece of clothing —often used in combination <elbow-length sleeves>
at length
:  at last :  finally

Examples of LENGTH

  1. The length of the table is six feet, and its width is three feet.
  2. These pins are available in one- and two-inch lengths.
  3. The adult animals reach a maximum length of two meters.
  4. Your essay should be no more than 250 words in length.
  5. the length of a movie
  6. They were two car lengths behind us.

Origin of LENGTH

Middle English lengthe, from Old English lengthu, from lang long
First Known Use: before 12th century

Other Weights and Measures Terms

avoirdupois weight, calorie, denier, kip, pace, twain


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