As nouns the difference between terms and trinucleon
is that terms is while trinucleon is (physics) a bound state of three nucleons.
terms
English
Noun
(head)
Statistics
*
----
trinucleon
English
Noun
(
en noun)
(physics) A bound state of three nucleons
Usage notes
*Also used attributively to describe any interaction between a nucleon and a deuteron