lunation lunatically • lunatize · · · Info · Definitions · Synonyms · Characters · · lunation · · Text Latin · · Script 8 · · Length Definitions · · · (noun) the period between successive new moons (29.531 days). Synonyms: lunar month, moon, synodic month. · · Noun Definition 1 Synonyms · · · lunar month · · Synonym 1 moon · · Synonym 2 synodic month · · Synonym 3 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075