(?), a. [Pref. meta- + Gr. part.] 1. (Chem.) Having the same molecular formula, but possessing a different bonding structure and different properties; as, methyl ether and ethyl alcohol are metameric compounds. See Isomeric.
[1913 Webster]

The existence of metameric compounds is due to different arrangements of the same atoms in the molecule.
[1913 Webster]

2. (Biol.) Of or pertaining to a metamere or its formation; as, metameric segmentation.
[1913 Webster]


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Wed 29th January 2020