n. | 1. | (Physics) A theoretical gauge boson that mediates the (extremely weak) gravitational interactions between particles; the quantum of the gravitational field, having zero rest mass and a spin of 2. |

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gravitas

Gravitate

Gravitation

Gravitation constant

gravitation wave

Gravitational

gravitational attraction

gravitational collapse

gravitational constant

gravitational field

gravitational force

gravitational interaction

gravitational mass

gravitational theory

gravitationally

Gravitative

**-- graviton --**

gravitons

Gravity

Gravity battery

gravity bomb

gravity fault

gravity gradient

gravity meter

Gravity railway

gravity wave

gravity-assist

gravure

Gravy

gravy boat

gravy holder

gravy train

Gray

Gravitate

Gravitation

Gravitation constant

gravitation wave

Gravitational

gravitational attraction

gravitational collapse

gravitational constant

gravitational field

gravitational force

gravitational interaction

gravitational mass

gravitational theory

gravitationally

Gravitative

gravitons

Gravity

Gravity battery

gravity bomb

gravity fault

gravity gradient

gravity meter

Gravity railway

gravity wave

gravity-assist

gravure

Gravy

gravy boat

gravy holder

gravy train

Gray