Definitions

from The Century Dictionary.

  • Having or pertaining to days of equal length: equivalent to equinoctial.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Pertaining to the time of equal day and night; -- applied to the equinoctial line.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Pertaining to the time of equal day and night; applied to the equinoctial line.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

equi- +‎ diurnal

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Examples

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