Assertion: heavy water | /r/SimilarTo | light water h2oin many ways
Facets:
value: in many ways
type: DEGREE
Source sentences:
text: Heavy water is similar to light water (H2O) in many ways, except that the hydrogen atom in each water molecule is replaced by "heavy" hydrogen, or deuterium (discovered by American chemist Harold Urey in 1931, earning him the 1934 Nobel Prize in chemistry).