The meaning of the Acronym GRB is...

GRB is

• Gamma Ray Blast

More Meanings For GRB:

• GROB Graphic Object Bitmap graphics B&W binary
• Ms-DOS Shell Monitor file (MS-DOS 5)
• Gamma Ray Blast
• Gospel Radio Blessed
• Gossip Retransmit Bit
• Gerber Scientific, Inc.
• Gamma Ray Burst
• Gamma Ray Bursts
• Austin Straubel International Airport, Green Bay, Wisconsin USA
• Grebo

GRB is also in:

• Airport Codes
• Astronomy
• File Extensions
• Language Codes (3 Letters)
• NASA
• NYSE Symbols
• Unfiled