from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A mathematical operation, such as the square root function and complex conjugation, that requires only one operand.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An operation taking one operand like the square, factorial or absolute value operation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an operation with exactly one operand
Blend of uni- and binary.(American Heritage® Dictionary of the English Language, Fourth Edition)