a·bi·ot·ic (ā'bī-ŏt'ĭk) adj. Nonliving: The abiotic factors of the environment include light, temperature, and atmospheric gases. a'bi·o'sis (-ō'sĭs) n., a'bi·ot'ic·al·ly adv.
abiotic (ā'bī-ŏt'ĭk) Pronunciation Key
Not associated with or derived from living organisms. Abiotic factors in an environment include such items as sunlight, temperature, wind patterns, and precipitation. Compare biotic.