from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A space between objects, points, or units, especially when making uniform amounts of separation.
- noun An amount of time between events, especially of uniform duration separating events in a series.
- noun A segment of an athletic workout in which an athlete runs, swims, or does other exercise over a series of predetermined distances at regular time increments with intermittent rests.
- noun A set of numbers consisting of all the numbers between a pair of given numbers along with either, both, or none of the endpoints.
- noun A closed interval.
- noun An open interval.
- noun A half-open interval.
- noun A line segment representing the set of numbers in an interval.
- noun Chiefly British An intermission, as between acts of a play.
- noun Music The difference, usually expressed in the number of steps, between two pitches.
- idiom (at intervals) In a series separated by space or time.
from The Century Dictionary.
- noun A vacant or unobstructed space between points or objects; an intervening vacancy; an open reach or stretch between limits: as, the intervals between the ranks of an army.
- noun Specifically, a low level tract of land, as along a river, between hills, etc. Also
- noun Any dividing tract in space, time, or degree; an intervening space, period, or state; a separating reach or stretch of any kind: with reference either to the space itself or to the points of separation or division: as, an interval of rocky ground between meadows; to fill up an interval in. conversation with music; an interval of ease or of relapse in disease; a lucid interval in delirium; to set trees at intervals of fifty feet; to breathe only at long intervals; the clock strikes at intervals of an hour.
- noun Specifically, in entomology, one of the spaces between longitudinal striæ of the elytra. When the striæ are regular, both they and the intervals are numbered from the suture outward.
- noun In music, the difference or distance in pitch between two tones.
- noun The values given in the first column are those of the ideal intervals, such as are secured by using pure intonation; those given in the second column are those of equally tempered intonation, such as is used on keyed instruments, like the pianoforte and the organ. (See
intonationand temperament.) A diatonic, interval is one that occurs between two tones of a normal major or minor scale. A chromatic interval is one that occurs between a tone of such a scale and a tone foreign to that scale. An enharmonic interval is one on an instrument of fixed intonation, that is apparent only in the notation, being in fact a unison, as, on the pianoforte, the interval from F♮ to G♭. In musical science the theory of intervals is introductory to that of chords and to harmony in general.
- noun In logic, a proposition.
- noun During or between intervals; between whiles or by turns; occasionally or alternately: as, to rest at intervals.
from the GNU version of the Collaborative International Dictionary of English.
- noun Local, U. S. 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.
- noun A space between things; a void space intervening between any two objects.
- noun Space of time between any two points or events
- noun A brief space of time between the recurrence of similar conditions or states
- noun (Mus.) Difference in pitch between any two tones.
- noun coming or happening with intervals between; now and then.
- noun (Mus.) an interval increased by half a step or half a tone.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
- noun A period of
- noun music The difference (a
ratioor logarithmicmeasure) in pitchbetween two notes, often referring to those two pitches themselves (otherwise known as a dyad).
- noun mathematics A
connectedsection of the real linewhich may be empty or have a lengthof zero.
- noun chiefly UK An
- noun sports
half time, a scheduled intermission between the periods of play
- noun cricket Either of the two
breaks, at lunchand tea, between the three sessionsof a day's play
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a definite length of time marked off by two instants
- noun the difference in pitch between two notes
- noun a set containing all points (or all real numbers) between two given endpoints
- noun the distance between things
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
[273-2] Strictly speaking, the interval between 11 Men and 13 Oc is fourteen days, but throughout this paper, by "_interval between_" two days, is to be understood the number of days to be counted _from_ one _to and including_ the other.
Aids to the Study of the Maya Codices Sixth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1884-85, Government Printing Office, Washington, 1888, pages 253-372 Cyrus Thomas 1867
Then, assuming you still feel the total interval is non-zero, am I to presume your concept of light ray "interval" is significantly effected by traveling through a prisms or half silvered mirrors?
As a result, most diesel manufacturers recommend cutting their recommended oil drain interval in half when using biodiesel fuel.
For all we know, the 95% confidence interval is [30B, $35B,50B].
Lack of statistical significance over a given period does not mean absence of warming, it means the interval is too short for a meaningful conclusion either way.
Suppose the difference between using a local call centre and a Mumbai call centre for the life of the service interval is X present value dollars.
Little by little the tissues of reality loosen around Jozef; he becomes subject to a different clock and to the peculiar experiments with Time presided over by a mysterious Dr. Gotard [and a ventriloquizing Auctioneer]: … … here, we are always late by a certain interval of time of which we cannot define the length.
'Now, what you may or may not know about the third stellar interval is ...'
"I used to be somebody. Now I'm somebody else." greygirlbeast 2010
This certain interval will give rise to the eerie phantasmatic ir-reality of the Sanatorium as a result of the contamination and rapid decomposition of time.
A “QT” interval is measured in seconds or in milliseconds.
Long QT Syndrome 2010