metamerism
nounEtymology From μετά (metá, “among”) + μερισμός (merismós, “rationing”) (< μέρος (méros, “part”) + -ισμός (-ismós, “-ism”)).
Biology, Natural sciences Usually The segmentation of the body into similar discrete units.
Human sciences, Psychology, Sciences Usually The matching of a perceived attribute between objects with differing physical attributes.
Colorimetry, Human sciences, Natural sciences, Physical sciences, Physics, Psychology, Sciences Usually The matching of apparent color of objects with different spectral power distributions.
Chemistry, Natural sciences, Physical sciences Usually Structural isomerism.