01 n. The symmetry of a metameric structure; serial symmetry; the state of being made up of metameres.
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1.
The symmetry of a metameric structure; serial symmetry; the state of being made up of metameres.(Biol.)
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2.
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.(Chem.)