a. [f. Gr. ἀ not + BIOLOGICAL; f. Gr. βίος life + λόγ-ος discourse + -ICAL.] Not pertaining to biology; pertaining to the study of inanimate things.
1877. Huxley, Anat. Inv. An., i. 1. The biological sciences are sharply marked off from the abiological, or those which treat of the phenomena manifested by not-living matter.