RG

R1G2

A form of radio galaxy — Type of galaxy that is very luminous at radio wavelengths.

Similar
roentgeniumelement 111atomic number 111
CommonScrabble 3
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Meanings

nounRG (countable and uncountable, plural RGs)

plural RGs

  1. abbreviationcountableinitialismuncountableastronomyInitialism of radio galaxy.
  2. abbreviationcountableinitialismuncountableInitialism of radius of gyration.
  3. abbreviationcountableinitialismuncountableInitialism of relational grammar.
  4. abbreviationcountableinitialismuncountablerhythmic gymnasticsInitialism of rhythmic gymnastics.

Synonyms & antonyms

nouna radioactive transuranic element, with atomic number 111

Similar
roentgeniumelement 111atomic number 111
Broader
chemical elementelement
Also see
radio galaxyroentgenium

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

RG. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/RG

MLA

“RG.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/RG. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “RG,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/RG.

Source: RG on Wiktionary, CC BY-SA 4.0.