Interval - Dictionary Definition and Overview

Interval :  (noun)
1: a definite length of time marked off by two instants [syn: time interval]
2: a set containing all points (or all real numbers) between two given endpoints
3: the distance between things; "fragile items require separation and cushioning" [syn: separation]
4: the difference in pitch between two notes [syn: musical interval]

Based on WordNet 2.0

Interval : \In"ter*val\, n. [L. intervallum; inter between _ vallum a wall: cf. F. intervalle. See Wall.] 1. A space between things; a void space intervening between any two objects; as, an interval between two houses or hills.

'Twixt host and host but narrow space was left, A dreadful interval. --Milton.

2. Space of time between any two points or events; as, the interval between the death of Charles I. of England, and the accession of Charles II.

3. A brief space of time between the recurrence of similar conditions or states; as, the interval between paroxysms of pain; intervals of sanity or delirium.

4. (Mus.) Difference in pitch between any two tones.

At intervals, coming or happening with intervals between; now and then. ``And Miriam watch'd and dozed at intervals.'' --Tennyson.

Augmented interval (Mus.), an interval increased by half a step or half a tone.

Based on Webster's Revised Unabridged Dictionary

Interval : \In"ter*val\, Intervale \In"ter*vale\, n. A tract of low ground between hills, or along the banks of a stream, usually alluvial land, enriched by the overflowings of the river, or by fertilizing deposits of earth from the adjacent hills. Cf. Bottom, n., 7. [Local, U. S.]

The woody intervale just beyond the marshy land. --The Century.

Based on Webster's Revised Unabridged Dictionary

INTERVAL. A space of time between two periods. When a person is unable to perform an act at any two given periods, but in theInterval : he has performed such act, as when a man is found to be insane in the months of January and March, and he enters into a contract or makes a will in the interval, in February, he will be presumed to have been insane at that time; and the onus will lie to show his sanity, on the person who affirms such act. See Lucid interval.

Based on Webster's Revised Unabridged Dictionary (1913)
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