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interval

 - 6 dictionary results
Interval International
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in⋅ter⋅val

  [in-ter-vuhl]
Use interval in a Sentence
–noun
1. an intervening period of time: an interval of 50 years.
2. a period of temporary cessation; pause: intervals between the volleys of gunfire.
3. a space between things, points, limits, etc.; interspace: an interval of ten feet between posts.
4. Mathematics.
a. the totality of points on a line between two designated points or endpoints that may or may not be included.
b. any generalization of this to higher dimensions, as a rectangle with sides parallel to the coordinate axes.
5. the space between soldiers or units in military formation.
6. Music. the difference in pitch between two tones, as between two tones sounded simultaneously (harmonic interval) or between two tones sounded successively (melodic interval).
7. Chiefly New England. intervale.
8. Cards. a period in a game for placing bets.
9. British. an intermission, as between the acts of a play.
—Idiom
10. at intervals,
a. at particular periods of time; now and then: At intervals, there were formal receptions at the governor's mansion.
b. at particular places, with gaps in between: detour signs at intervals along the highway.
Origin:
1250–1300; ME intervall(e) < L intervallum interval, lit., space between two palisades. See inter-, wall

Related forms:
in⋅ter⋅val⋅ic, in⋅ter⋅val⋅lic  [in-ter-val-ik] , adjective

Synonyms:
3. opening, gap, separation, gulf.
Interval International
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in⋅ter⋅vale

  [in-ter-veyl]
–noun Chiefly New England.
a lowlying tract of land along a river.
Also, interval.

Origin:
var. of interval; by folk etym. taken as inter- + vale1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To interval
in·ter·val   (ĭn'tər-vəl)   
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 © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

interval 
c.1300, from O.Fr. intervalle (14c.), earlier entreval (13c.), from L.L. intervallum, originally "space between palisades or ramparts," from inter- "between" + vallum "rampart." Metaphoric sense of "gap in time" was present in L.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: in·ter·val
Pronunciation: 'int-&r-v&l
Function: noun
: a space of time between occurrences of a recurring condition orstate <intervals between coughing spells> <intervals of sanity>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

interval in·ter·val (ĭn'tər-vəl)
n.

  1. A space between two objects, points, or units.

  2. The amount of time between two specified instants, events, or states.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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