nonbond

From non- +‎ bond.

nonbond (plural nonbonds)

1. (chemistry, physics) A nonbonding relationship between two atoms
   • 2015, Chang Q. Sun, “Why does pressure melt ice?”, in arXiv‎^[1]:

     Compression shortens the O:H nonbond and lengthens the H-O bond simultaneously via O:H-O Coulomb repulsion.