n. An organism having a single set of chromosomes.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of a cell or organism having a single set of chromosomes
Word Usage
"amphidiploid: same as allotetraploid autopolyploid : polyploids created by chromosome duplication within a species basic chromosome number (monoploid number): the number of different chromosomes that make up a single complete (chromosome) set."