pseudorandom.
Of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm.
Meaning & usage
Of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm.
Where this word comes from
Etymology tree Pre-Greekder.? Ancient Greek ψεύδω (pseúdō) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ής (-ḗs) Ancient Greek ψευδής (pseudḗs)der. Middle English pseudo- English pseudo- Proto-Indo-European *h₃er- Proto-Indo-European *h₃reyH-der. Proto-Germanic *rinnaną Proto-West Germanic *rinnan Frankish *randijubor. Old French randirder. Old French randonbor. Middle English randoun English randon English random English pseudorandom From pseudo- + random.
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Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.