Related Words

Lunation: New Moon; Moon conjunct Sun.

Lunation Cycle: The Moon's phases relative to the Sun as it moves from one new Moon (Moon/sun conjunction) to the next; the time interval between two successive lunations (new Moons), approximately twenty-n . . . View Full Definition

Embolism Lunation: The Moon's position when the natal lunar phase angle (relative position between Moon and sun in a natal horoscope) is repeated. It is believed that women can conceive during the time each mo . . . View Full Definition

Periodical Lunation: Term applied to the transiting Moon's monthly return to the exact position occupied in a natal horoscope. See also lunar period.

Metonic Cycle: The nineteen-year cycle named for the Athenian astronomer Meton who discovered (ca. 432) that the new Moon occurs on the same day of the year at approximate nineteen-year intervals.

Callippic Cycle: A period of four Metonic cycles equal to 76 Julian years, or 27,759 days. Devised by Callippus, a Greek astronomer, about 350 B.C., as a suggested improvement on the Metonic cycle for a peri . . . View Full Definition

Waxing: The phase of the lunation cycle from new Moon (Sun/Moon conjunction) to full (Sun/Moon opposition) during which the Moon appears to grow larger, increasing in light.

New Moon: Lunation; the beginning of a lunation cycle and of the waxing phase. Moon conjunct Sun.

Phase: Refers to the timing relationship of two or more signals or sound waves. It's especially important to be sure that your stereo speakers are playing 'in phase.' This means that the drivers (w . . . View Full Definition

Waning: That phase of the lunation cycle from full Moon (Sun/Moon opposition) to new Moon (Sun/Moon conjunction) during which the visible portion of the Moon decreases.