abi·o·log·i·cal \|āˌbīə|läjə̇kəl, -jēk-\adjective Etymology:a- (II) + biological : not biological; especially: not involving or produced by organisms < abiological synthesis of amino acids > < abiological oxidation > • abi·o·log·i·cal·ly\-k(ə)lē\adverb