Dimidium.
51 Pegasi b, a large hot Jupiter exoplanet, approximately 50 light-years away from Earth in the constellation of Pegasus.
Meaning & usage
51 Pegasi b, a large hot Jupiter exoplanet, approximately 50 light-years away from Earth in the constellation of Pegasus.
Where this word comes from
Borrowed from Latin dīmidium (“half”), referring to the planet's mass of approximately half the mass of Jupiter.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.