equidiurnal
English
Etymology
Pronunciation
- IPA(key): /ˌɛkwɪdaɪˈɜː(ɹ)nəl/, /ˌiːkwɪdaɪˈɜː(ɹ)nəl/
Adjective
equidiurnal (not comparable)
- Pertaining to the time of equal day and night; applied to the equinoctial line.
- 1837, William Whewell, History of the Inductive Sciences:
- The circle which the sun describes in his diurnal motion, when the days and nights are equal, the Greeks called the equidiurnal
References
“equidiurnal”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.