sphaera recta

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|astronomy}} An {{l|en|idealize|idealised}} {{l|en|conception}} of the {{l|en|celestial sphere}} in which the {{l|en|celestial equator}} is {{l|en|perpendicular}} to the local {{l|en|horizon}} and the {{l|en|Sun}} reaches the {{l|en|zenith}} at its highest point.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.