giant radio galaxy

noun

a very large radio galaxy; a double radio source having an overall projected linear length exceeding 2 megaparsecs (or more specifically, 2×h₅₀⁻¹ Mpc)

Similar
GRG
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Meanings

noungiant radio galaxy (plural giant radio galaxies)

plural giant radio galaxies

  1. astronomya very large radio galaxy; a double radio source having an overall projected linear length exceeding 2 megaparsecs (or more specifically, 2×h₅₀⁻¹ Mpc)

    Synonyms: GRG

Synonyms & antonyms

nouna very large radio galaxy; a double radio source having an overall projected linear length exceeding 2 megaparsecs (or more specifically, 2×h₅₀⁻¹ Mpc)

Similar
GRG

Origin

giant + radio galaxy

Full word history & related roots →
Cite this entry
APA

giant radio galaxy. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/giant%20radio%20galaxy

MLA

“giant radio galaxy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/giant%20radio%20galaxy. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “giant radio galaxy,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/giant%20radio%20galaxy.

Source: giant radio galaxy on Wiktionary, CC BY-SA 4.0.