[ ek-toj-uh-nuhs ]

  1. growing outside the body of the host, as certain bacteria and other parasites.

Origin of ectogenous

First recorded in 1880–85; ecto- + -genous
  • Also ec·to·gen·ic [ek-tuh-jen-ik]. /ˌɛk təˈdʒɛn ɪk/.

Words Nearby ectogenous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Scientific definitions for ectogenous


[ ĕk-tŏjə-nəs ]

  1. Able to live and develop outside a host, as certain pathogenic bacteria.

  2. Originating or produced from outside an organism, tissue, or cell; exogenous.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.