abiotic

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(ā'bī-ŏt'ĭk) pronunciation
adj.
Nonliving: The abiotic factors of the environment include light, temperature, and atmospheric gases.

abiosis a'bi·o'sis ('sĭs) n.
abiotically a'bi·ot'ic·al·ly adv.

Not living, non-biological, usually describing factors in an ecosystem such as atmospheric gases, inorganic salts, mineral soil particles, and water. This expression is also used to describe the chemical and physical factors, such as salinity and humidity, which influence organisms. An abiotic environment is one without any life.

Absence or deficiency of life.

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