tritium

As nouns the difference between tritium and radium

is that tritium is tritium (hydrogen isotope, chemical symbol: t) while radium is radium.

As a noun tritium is

tritium (hydrogen isotope, chemical symbol: t).

is likely misspelled.

has no English definition.

As a noun tritium

is a radioactive isotope of the element hydrogen, (symbol T or {{nuclide|3|1|H}}), having one proton and two neutrons.

As nouns the difference between tritium and trivium

is that tritium is tritium (hydrogen isotope, chemical symbol: t) while trivium is (in medieval universities ) the lower division of the liberal arts; grammar, logic and rhetoric.

As a noun tritium is

tritium (hydrogen isotope, chemical symbol: t).

As nouns the difference between tritium and antitritium

is that tritium is a radioactive isotope of the element hydrogen, (symbol T or {{nuclide|3|1|H}}), having one proton and two neutrons while antitritium is the antimatter equivalent of tritium.