Metamerism

Metamerism may refer to:

• Metamerism (biology), in zoology and developmental biology, the property of having repeated segments, as in annelids
• Metamerism (color), in colorimetry, a perceived matching of the colors that, based on differences in spectral power distribution, do not actually match
• The chemical property of having the same proportion of atomic components in different arrangements (obsolete, replaced with isomer)