WordReference Random House Unabridged Dictionary of American English © 2026
bi•o•au•tog•ra•phy
(bī′ō ô tog′rə fē),USA pronunciation n. [Biochem.]
bi•o•au•to•graph
(bī′ō ô′tə graf′, -gräf′),USA pronunciation n.
bi′o•au′to•graph′ic, adj.
- Biochemistryan analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- bio- + autography