As nouns the difference between dihedron and dihadron
is that dihedron is (mathematics) a polyhedron having two faces while dihadron is (physics) any particle that is a combination of two hadrons.
dihedron
Noun
(en-noun)
(mathematics) A polyhedron having two faces
dihadron
English
Noun
(
en noun)
(physics) Any particle that is a combination of two hadrons