Distance


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distance

1. Geometry
a. the length of the shortest line segment joining two points
b. the length along a straight line or curve
2. Horse racing
a. Brit a point on a racecourse 240 yards from the winning post
b. Brit any interval of more than 20 lengths between any two finishers in a race
c. US the part of a racecourse that a horse must reach in any heat before the winner passes the finishing line in order to qualify for later heats
3. go the distance Boxing to complete a bout without being knocked out
4. the distant parts of a picture, such as a landscape
5. middle distance
a. (in a picture) halfway between the foreground and the horizon
b. (in a natural situation) halfway between the observer and the horizon
6. Athletics relating to or denoting the longer races, usually those longer than a mile

Distance

 

distance in depth between servicemen, guns, vehicles, and subunits or units (ships) when formed in ranks, on the march (cruise), or in combat formation and also between aircraft when flying in formation or in a combat formation.


Distance

 

an important geometric concept whose meaning depends on the kind of entities for which it is defined. The distance between two points is the length of the line segment joining the points. The distance from a point to a line or a plane is the length of the perpendicular from this point to the line or plane. The distance between two parallel lines or planes is the length of a common perpendicular to the lines or planes. The distance between two nonintersecting nonparallel lines in space is equal to the distance between the parallel planes in which the lines lie—that is, the length of the line segment that joins the lines and is perpendicular to both.

distance

[′dis·təns]
(mathematics)
A nonnegative number associated with pairs of geometric objects.
The spatial separation of two points, measured by the length of a hypothetical line joining them.
For two parallel lines, two skew lines, or two parallel planes, the length of a line joining the two objects and perpendicular to both.
For a point and a line or plane, the length of the perpendicular from the point to the line or plane.
(mechanics)
The spatial separation of two points, measured by the length of a hypothetical line joining them.
References in classic literature ?
At a respectful distance from this unusual show, were gathered divers groups of curious idlers; some admiring the blood and bone of the high-mettled military charger, and others gazing at the preparations, with the dull wonder of vulgar curiosity.
With your leave, I mean to post myself under the bowsprit, and, if we get within harpooning distance, I shall throw my harpoon.
From the railway station in the distance came the sound of shunting trains, ringing and rumbling, softened almost into melody by the distance.
This distance of three thousand miles he had accomplished in thirty days.
At a short distance beyond the suburbs of Vanity we passed the ancient silver mine, of which Demas was the first discoverer, and which is now wrought to great advantage, supplying nearly all the coined currency of the world.
There was light enough to see by, though not sufficient to distinguish things at a distance.
But a short distance from the circular chamber we came suddenly into a brilliantly lighted labyrinth of crystal glass partitioned passages.
Then, let us keep at a respectful distance from yon miscreants.
That is not to be wondered at," murmured one of the sailors, "since they say that, by the aid of the devil, the Paris-folk have fabricated instruments with which they see as well at a distance as near, by night as well as by day.
The road the French would take was unknown, and so the closer our troops trod on their heels the greater distance they had to cover.
So, too, is it impossible to conjecture just what her emotions may have been as she discerned the lights of a flier speeding rapidly out of the distance from that very direction, as though impelled toward her garden by the very intensity of the princess' thoughts.
I looked for my friend Ghak, the Hairy One, king of Sari, and presently I saw him coming from a distance.