The Collaborative International Dictionary
Random \Ran"dom\, a.
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Going at random or by chance; done or made at hazard, or without settled direction, aim, or purpose; hazarded without previous calculation; left to chance; haphazard; as, a random guess.
Some random truths he can impart.
--Wordsworth.So sharp a spur to the lazy, and so strong a bridle to the random.
--H. Spencer. (Statistics) of, pertaining to, or resulting from a process of selection from a starting set of items, in which the probability of selecting any one object in the starting set is equal to the probability of selecting any other.
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(Construction) of unequal size or shape; made from components of unequal size or shape.
at random in a manner so that all possible results have an equal probability of occurrence; for processes, each possible result is counted separately although the same type of result may occur more than once .
Random courses (Masonry), courses of stone of unequal thickness.
Random shot, a shot not directed or aimed toward any particular object, or a shot with the muzzle of the gun much elevated.
Random work (Masonry), stonework consisting of stones of unequal sizes fitted together, but not in courses nor always with flat beds.
Usage examples of "random courses".
Twinkling here and there, patrol vehicles flitted on seemingly random courses like fire flies.
Huxley ordered them to shift to Formation E, a plan which used changing speeds and apparently random courses-carefully planned to avoid collision between ships, however.
Beneath the swelling crust and mantle, the spirals and fractures of white and green light widened into vast canals and highways running crazy random courses through a uniform dull red landscape.
Nazis, blinded as their eyeballs bubbled, collided with one another and sailed off across the dome on random courses, pinwheeling slowly.
Twinkling here and there, patrol vehicles flitted on seemingly random courses like fireflies.