Dictionary.com
Thesaurus.com

closed interval

American  
[klohzd in-ter-vuhl] / ˈkloʊzd ˈɪn tər vəl /

noun

  1. Mathematics. a range of numbers on a number line, the endpoints of which are included in the range and are denoted as such within square brackets. For example, [12, 38] is a closed interval, representing the set of real numbers from 12 to 38, including 12 and 38.


closed interval British  

noun

  1. maths an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

closed interval Scientific  
  1. A set of numbers consisting of all the numbers between a pair of given numbers and including the endpoints.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A closed interval and an open interval make a good case study for how we can think about compactness.

From Scientific American