Not involving or relating to living organisms or biological processes.
From a- (not) + biological. This straightforward negation emerged in the 20th century to describe processes, chemistry, or phenomena that occur without life or biology.
Abiological processes—like the weathering of rocks, the rusting of iron, or reactions in test tubes—happen everywhere in the universe without any life involved, which is why abiogenesis itself must explain entirely abiological chemical pathways.
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