A person who conforms to social norms and rules; also, in chemistry, one of the possible three-dimensional forms of a molecule.
From conform + -er suffix (one who does something). Used since the 16th century for people, and later adopted in chemistry with the same root meaning.
In chemistry, conformers are like the different dance positions a molecule can hold—rotating around a single bond—and each position has different energy and reactivity, affecting how the molecule behaves.
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