WordReference Random House Unabridged Dictionary of American English © 2025
met•a•chro•ma•tism
(met′ə krō′mə tiz′əm),USA pronunciation n.
met•a•chro•mat•ic
(met′ə krō mat′ik, -krə-),USA pronunciation adj.
- change of color, esp. that due to variation in the temperature of a body.
- 1875–80; meta- + chromat- + -ism