metamer
Noun
Meaning
Any one of several metameric forms of the same substance, or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene.
Source: Webster's dictionarySynonyms
atom
alkali
base
Ion
element
chemical
acid
agent
compound
molecule
polymer
monochrome
acidity
anion
antacid
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