English Explanatory Dictionary

sphaera recta

English dictionary entry

Meanings

noun
  1. An idealised conception of the celestial sphere in which the celestial equator is perpendicular to the local horizon and the Sun reaches the zenith at its highest point.

Pronunciation

/ˈsfiːɹə ˈɹɛktə/

Word forms

sphaera recta

Etymology

First attested in 1932; Latin: sphaera (“sphere”, “globe of the heavens”) + rēcta (feminine nominative singular of rēctus, “right”, “upright”) = “upright sphere”.

Antonyms

sphaera obliqua
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