Definition of "bacteroid" []

• Resembling bacteria in appearance or action. (adjective)
• Any of various structurally modified bacteria, such as those occurring on the root nodules of leguminous plants. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "; Cohn, D.H.: Luciferase genes cloned from the unculturable luminous bacteroid symbiont of the Caribbean flashlight fish, Kryptopha - naron alfredi."