Science / Astrology Glossary

Daylight Saving Time: The practice of advaning the clock one hour in the spring of the year. Significant in the erection of natal charts as it requires that one hour be subjected from the standard time when dayli . . . View Full Definition

Debilitated, Debility: A term applied to a planet that occupies its sign of detriment or fall.

Decan, Decanate: Based on the subdivision of a sign into three parts of 10° each. Each decan of a sign expresses subtle differences that distinguish it from the other two decans as described by its planetary . . . View Full Definition

Decanate: The partitioning of each Sign into three equal parts of 10 degrees each. Each part is known as a decanate. Every Sign is composed of 30 degrees.

Decile: A mildly benefic aspect with a separation of 36°, also called a semi-quintile; the tenth harmonic.

Declination: The term that describes the distance in degrees a planet lies north or south of the celestial equator. The maximum declination of the Sun is reached at the Tropic of Cancer (north declinatio . . . View Full Definition

Decreasing In Light: Term applied to the waning Moon as its image (as observed from Earth) decreases from the full to the new Moon.

Degree: A degree is 1/360 of a circle. In Astrology, degrees are the commonly-used unit of measurement.

Departing Aspect: An aspect in which the direction from significator to promittor is backward in the zodiac (clockwise in a horoscope). A departing aspect is given a subjective and, esoterically, a fatalistic . . . View Full Definition

Derivative House: A system that describes the affairs of a house as they relate to another, assuming that one of the houses of interest is the first. For example, the second house to the third, actually the f . . . View Full Definition

Descendant: Point opposite the Ascendant and cusp of the seventh house; it describes one's interreation with others.

Detriment: Said of a planet that occupies the sign opposite its sign of natural rulership (dignity). A planet in detriment is thought to be at disadvantage.

Dexter Aspect: From the Latin to the right. An old term now replaced by approaching aspect. See also approaching aspect.

Dignity: The sign that a planet rules naturally is its sign of dignity. A planet is essentially dignified when it occupies its natural sign of dignity or its sign of exaltation; it is accidentally di . . . View Full Definition

Direct Motion: Motion that follows the natural order of signs. Proceeding in the order of the signs. In the Ephemeris, the beginning of direct motion after a period of retrograde motion, is marked by the letter D.

Directions: A term synonymous with progression. See Progressions.

Disjunct: Another name for the quincunx aspect. See quincunx.

Dispositor: The planet that rules the sign another planet occupies. For example, Mercury in Taurus is disposited by Venus, the natural planetary ruler of Taurus. A dispositor influences the action of th . . . View Full Definition

Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28