The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Examples from the Web for single-celled
There are many kinds of these single-celled plants in the world.Through Magic Glasses and Other Lectures
Arabella B. Buckley
It stood out sharply when he focused—the white, jellyfish shape of a single-celled leucocyte.Planet of the Damned
They are single-celled organisms and each individual has the prime factors of life, assimilation, growth and reproduction.
A single-celled, protoplasmic organism, which is constantly changing its form by protrusions and withdrawals of its substance.A Practical Physiology
Albert F. Blaisdell
There still exist large numbers of similar “single-celled organisms.”The History of Creation, Vol. II (of 2)