random

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random number

A number selected without any criteria, often by some sort of generator, such as a computer program. Don't worry, we're not choosing the winner ourselves—we'll draw a random number to determine who wins.
See also: number, random

at random

With no discernable pattern or reasoning. We will choose a raffle winner at random.
See also: random

at random

by chance; haphazard. The lottery numbers are chosen at random. As a prank, the children dialed phone numbers at random.
See also: random

at random

Without order or fixed purpose, haphazardly, as in Jackson Pollock dropped paints on canvas seemingly at random. Originally this phrase meant "very speedily" and "heedlessly." Shakespeare had the present usage in 1 Henry VI (5:3): "He talks at random; sure the man is mad." [Late 1500s]
See also: random

at random

Without a governing design, method, or purpose; unsystematically: chose a card at random from the deck.
See also: random
References in periodicals archive ?
What is clear though is that anything other than true randomness introduces risk.
In the current climate, given the consensus that quantum randomness pertains at the ontological level, views of chance have shifted toward being naturally intrinsic to the way life processes are.
The point to take away from this story is that randomness is not totally lawless and forbidding of any prediction.
To sidestep computers' predictable natures, computer scientists have devised ways of harvesting randomness from the environment, using input from the mouse or the keyboard, for example.
Bit strings results from the XOR operation are concatenated together for the randomness testing.
The same pattern occurred in the units that yielded no harvest, where in some cases the groupings had a lower randomness than the individual harvests.
It would help if the class developed a glossary and map of the terminology that they were using, particularly notions about randomness, samples and populations.
The resulting image laconically conveys the artist's fascination with the question of how to transform the randomness of events into visible (or audible) works of art.
Dr Linda Mountain, from the University of Liverpool's Department of Engineering, said: "Although some parts of the road network are undoubtedly more dangerous than others, there is also a degree of randomness in where accidents occur - driver error, bad luck, etc - which means that an accident can happen anywhere.
The inherent randomness of match play has led to Woods suffering the odd surprising defeat.
It isolates a context into which external randomness no longer penetrates.
The voracious firestorms that scorched the Southland last week struck with violent randomness -- making hopscotch moves through neighborhoods, sending some homes up in flames while sparing others just feet away.
Ginny, who is based in Newcastle produced the work for the Waygood Gallery's Harker Herald project, said: "I explore themes of the absurd, randomness and repetition within a given framework.
I don't even know if spontaneity is a word, but the randomness and un-boringness of the fastest moving city in the world put a shock-wave of unhealthy and sleepless nights through the Volcom team's heart.