- Niton is what radon used to be called, which is a gaseous chemical element that gives off radiation.
An example of niton is a hazardous radioactive substance in a gas form.
- Niton is a village on the largest island in the English Channel, the Isle of Wight.
An example of Niton is where Charles Dickens wrote most of his novel David Copperfield.
Origin of nitonModern Latin from Classical Latin nitere, to shine + -on as in argon: so named (1912) by Sir William Ramsay because it glows in the dark
- (obsolete) radon