- The definition of abiotic is an ecological term that is anything chemical or physical that lacks life.
An example of something abiotic is light.
Light is abiotic.
of nonliving substances or environmental factors
Origin of abiotica- (sense ) + biotic
Nonliving: The abiotic factors of the environment include light, temperature, and atmospheric gases.
First attested in 1874. a- + biotic, both elements from Ancient Greek.