Commensalism

//kəˈmɛnsəˌlɪzm̩// noun

Definitions

Noun
  1. 1
    A sharing of the same environment by two organisms where one species benefits and the other is unaffected. An example is barnacles on whales. countable, uncountable
  2. 2
    the relation between two different kinds of organisms when one receives benefits from the other without damaging it wordnet
  3. 3
    The act of eating together; table fellowship. countable, uncountable

Etymology

From commensal + -ism.

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