(1) Of, pertaining to, or produced by life or living organisms (of an ecosystem).
(2) Pertains to a living thing (such as plant, animal, fungus, etc.) as well as its products (e.g. secretions, wastes, and remains).
Word origin: Gk biōtikós of, pertaining to life.
Related forms: biosis (noun), biotically (adjective).
Related phrases: biotic factor.