释义 |
WordReference Random House Unabridged Dictionary of American English © 2024het•er•och•ro•ny (het′ə rok′rə nē),USA pronunciation n. [Biol.]- Developmental Biology, Biologya genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
- compare German Heterochron 1875–80; hetero- + chron- + -y3
het•er•o•chron•ic (het′ər ə kron′ik),USA pronunciation het′er•och′ro•nis′tic, het′er•och′ro•nous, adj. |