noun Etymology: International Scientific Vocabulary gravity + 2-on Date: 1942 a hypothetical particle with zero charge and rest mass that is held to be the quantum of the gravitational field
GRAVITON
Meaning of GRAVITON in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012