— ectocommensalism, ectocommensality /ek'toh kom'en sal"i tee/ , n. — ectocommensally , adv.
/ek'toh keuh men"seuhl/ , adj.
1. Biol. (of an organism) living in a commensal relationship on the exterior of another organism.
n.
2. an ectocommensal organism.
[ 1935-40; ECTO- + COMMENSAL ]