- pertaining to a function whose domain is a given set and whose range is contained in that set.
Origin of unary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- consisting of, or affecting, a single element or component; monadic
C16 (in the obsolete sense: a unit): from Latin unus one + -ary
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for unary
Online Etymology Dictionary, © 2010 Douglas Harper