conformation vs symmetry

conformation

noun
  • Structure, the arrangement of parts of some thing; form; arrangement. 

  • The act of conforming; the act of producing conformity. 

  • The spatial arrangement of a group of atoms in a molecule as a result of rotation about a covalent bond which remains unbroken. 

  • The state of being conformed; agreement 

symmetry

noun
  • The satisfying arrangement of a balanced distribution of the elements of a whole. 

  • Exact correspondence on either side of a dividing line, plane, center or axis. 

How often have the words conformation and symmetry occurred in a corpus of books? (source: Google Ngram Viewer )