adj. Describing any microorganism that has a single cell
n. A single-celled organism; a unicell.
the GNU version of the Collaborative International Dictionary of English
adj. Having, or consisting of, but a single cell.
The Century Dictionary and Cyclopedia
Consisting of a single cell, as some infusorians and some cryptogams; pertaining to or exhibiting only a single cell, as most of the protozoan animals and protophytic plants, and the undeveloped ova of all metazoan animals.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having or consisting of a single cell
Word Usage
"So Mike has been cataloging a number of components that have one use in unicellular life, and a different use in multicellular life, to show that front loaded designs wouldn't necessarily be lost in the future."