GRB
GRB is best known in astronomy for gamma‑ray bursts, but the acronym also labels a game‑rating board, a Git remote branch reference, and a budgeting approach that integrates gender considerations.
Miscellaneous
George R Brown
Gary R Benz
G Ray Bodley
GPU Rigid Body
Gender Responsive Budget
Git Remote Branch
Golden Road Brewery
Community
Governmental
Academic & Science
Regional
Computing
GROB Graphic Object Bitmap graphics B&W binary
Ms-DOS Shell Monitor file (MS-DOS 5)
Gossip Retransmit Bit
Game Rating Board