Dimidium

D2I1M3I1D2I1U1M3

proper noun

51 Pegasi b, a large hot Jupiter exoplanet, approximately 50 light-years away from Earth in the constellation of Pegasus.

OriginLatin dīmidium →
Scrabble 14
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Meanings

proper noun
  1. 51 Pegasi b, a large hot Jupiter exoplanet, approximately 50 light-years away from Earth in the constellation of Pegasus.

Origin

  1. Latindīmidium“half”
  2. EnglishDimidium

Borrowed from Latin dīmidium (“half”), referring to the planet's mass of approximately half the mass of Jupiter.

More words from Latin

Full word history & related roots →
Cite this entry
APA

Dimidium. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Dimidium

MLA

“Dimidium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Dimidium. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Dimidium,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Dimidium.

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