Rg

¹ American

Symbol, Chemistry, Physics.

roentgenium.

r.g. ² American

abbreviation

Football.

right guard.

RG ¹ British

abbreviation

Guinea (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Rg ² British

symbol

roentgenium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of RG

from R(epublic of) G(uinea)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Marubeni said its consumer platform, Marubeni Consumer Platform US, anchored by US subsidiary RG Barry, will run the portfolio of footwear brands.

From Barron's • Jan. 8, 2026

The Japanese trading house said Wednesday that Marubeni’s consumer platform, anchored by U.S. subsidiary RG Barry, will run the portfolio of footwear brands, namely Gola, Lotus, Ravel, and Frank Wright.

From The Wall Street Journal • Jan. 7, 2026

RG Snyman, who plays alongside the bulk of the Ireland team at Leinster, will earn his 50th Springboks Test cap off the bench.

From BBC • Nov. 20, 2025

Cowboys: RG Zack Martin did not return after hurting his quadriceps in the first quarter.

From Seattle Times • Dec. 17, 2023

Initials paired together with plus signs: RG + NT, BR + FH.

From "Insurgent" by Veronica Roth

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023