Used other than figuratively or idiomatically: see random, number. / A number allotted randomly using suitable generator (electronic machine or as simple "generator" as die).

(mathematics, computing) A function whose value is chosen at random from its domain / (mathematics) A function chosen at random from a set of functions

Capable of being accessed in any order, not required to be sequential.

(mathematics) Any algorithm that uses randomness as part of its logic.

Alternative form of nonrandom

(mathematics) An object taking a random walk

(mathematics) A stochastic path consisting of a series of sequential movements, the direction (and sometime length) of which is chosen at random

(statistics, broadly) A quantity whose value is random and to which a probability distribution is assigned, such as the possible outcome of a roll of a dice.

(statistics) A sample randomly taken from an investigated population.

Informally, the property of a numeric sequence of containing no recognizable patterns or regularities; exemplified in the results of an ideal die roll, or the digits of π (as far as we can tell).