interlunation

[in-ter-loo-ney-shuh n]

noun

the interlunar period.

Origin of interlunation

First recorded in 1805–15; inter- + lunation
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British Dictionary definitions for interlunation

interlunation

noun

the period between the old and new moons during which the moon is invisibleSee new moon
Derived Formsinterlunar, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012