n. Either of a number of molecules that mutually exhibit metamerism.
the GNU version of the Collaborative International Dictionary of English
n. Any one of several metameric forms of the same substance, or of different substances having the same composition; ; an isomer.
The Century Dictionary and Cyclopedia
n. A compound which is metameric, or exhibits the property of metamerism.
Word Usage
"If one considers two body territories belonging to the same metamer, distal and proximal, the conduction velocities of the fibers that triggered the sensations can then be measured."