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Webster 1913 Edition


Metamerism

Me-tam′er-ism

,
Noun.
1.
(Biol.)
The symmetry of a metameric structure; serial symmetry; the state of being made up of metameres.
2.
(Chem.)
The state or quality of being metameric; isomerism due to different bonding patterns in two substances having the same molecular formula. Contrasted with
steroisomerism
or
optical isomerism
. Also, the relation or condition of metameric compounds.

Definition 2024


metamerism

metamerism

English

Noun

metamerism (usually uncountable, plural metamerisms)

  1. (biology) The segmentation of the body into similar discrete units
  2. (colorimetry) The matching of apparent color of objects with different spectral power distributions.
    Whilst the new paint was a good metameric match under natural light, it looked odd under a fluorescent light.
  3. (chemistry) structural isomerism

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