single-valued

single-valued [sing-guh l-val-yood] WORD ORIGIN adjective Mathematics. (of a function) having the property that each element in the domain has corresponding to it exactly one element in the range. Liberaldictionary.com

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Compare many-valued. Origin of single-valued First recorded in 1875–80 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019