equidiurnal en · ADJ
Pronunciation
- /ˌiːkwɪdaɪˈɜː(ɹ)nəl/
- /ˌɛkwɪdaɪˈɜː(ɹ)nəl/
Etymology
From equi- + diurnal.
Meanings
-
(not-comparable) Pertaining to the time of equal day and night; applied to the equinoctial line.
The circle which the sun describes in his diurnal motion, when the days and nights are equal, the Greeks called the equidiurnal
1837, William Whewell, History of the Inductive Sciences: