nounWord forms: plural aˈmebas or aˈmebae (əˈmibi
▶ USAGE: although the spelling ameba is now standard in scientific usage, both for the word itself and in compounds (such
as disease names), the spelling amoeba is still clearly preferred in general usage
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.