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interval's - 1 dictionary results
in·ter·val     (ĭn'tər-vəl)  Pronunciation Key 
n.  
  1. A space between two objects, points, or units.
  2. The amount of time between two specified instants, events, or states.
  3. One of a series of predetermined distances covered at regular time increments with intermittent periods of rest in an athletic workout.
  4. Mathematics
    1. A set of numbers consisting of all the numbers between a pair of given numbers along with either, both, or none of the endpoints.
    2. A closed interval.
    3. An open interval.
    4. A half-open interval.
    5. A line segment representing the set of numbers in an interval.
  5. Chiefly British An intermission, as between acts of a play.
  6. Music The difference, usually expressed in the number of steps, between two pitches.


[Middle English intervalle, from Old French, from Latin intervallum : inter-, inter- + vallum, rampart.]

in'ter·val'ic, in'ter·val'lic (-vāl'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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