hemisphere
/ˈhɛmɪsfɪə/
Proposed by a contributor, not yet supported by evidence.
Also seen as: hemispheres
Sense 1
Meaning · English
Half of the celestial sphere, as divided by either the ecliptic or the celestial equator .
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
A realm or domain of activity .
Noun
Examples
Love is the Columbus of our moral world, and opens, at some period or other, a new hemisphere to our view.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “hemisphere” mean?
Half of the celestial sphere, as divided by either the ecliptic or the celestial equator .
Is “hemisphere” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.