Local Hot Bubble

proper noun

A supershell surrounding the Solar System in the Milky Way Galaxy. A region of low density hot gas in the zone of space in the Galaxy immediately surrounding the Solar System.

Similar
LBLHBLocal Bubble
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proper noun
  1. astronomyA supershell surrounding the Solar System in the Milky Way Galaxy. A region of low density hot gas in the zone of space in the Galaxy immediately surrounding the Solar System.

    Synonyms: LB, LHB, Local Bubble

Synonyms & antonyms

proper nounA supershell surrounding the Solar System in the Milky Way Galaxy. A region of low density hot gas in the zone of space in the Galaxy immediately surrounding the Solar System.

Similar
LBLHBLocal Bubble

Origin

local + hot + bubble. From being a bubble of hot gas in local space.

Full word history & related roots →
Cite this entry
APA

Local Hot Bubble. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Local%20Hot%20Bubble

MLA

“Local Hot Bubble.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Local%20Hot%20Bubble. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Local Hot Bubble,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Local%20Hot%20Bubble.

Source: Local Hot Bubble on Wiktionary, CC BY-SA 4.0.