in·​ter·​lu·​nar ˌin-tər-ˈlü-nər How to pronounce interlunar (audio)
variants or less commonly interlunary
: relating to the interval between old and new moon when the moon is invisible

Word History


probably from Middle French interlunaire, from Latin interlunium interlunar period, from inter- + luna moon — more at lunar

First Known Use

1598, in the meaning defined above

Time Traveler
The first known use of interlunar was in 1598

Dictionary Entries Near interlunar

Cite this Entry

“Interlunar.” Dictionary, Merriam-Webster, Accessed 30 Mar. 2023.

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