Semi-decile

Semi-Decile: The twentieth harmonic, 18°; interpreted as a weak minor easy aspect. Also called a vigintile.
Vigintile: Alternate term for semi-decile. See semi-decile.
Semi-Quintile: See decile.

Semi-decile - An aspect of 18 degrees of arc, formed by a division of the 360 degree zodiac by 20.
Semi-quintile - Kepler's decile, a minor benefic aspect of 36 degrees.

Semi-decile. A planetary aspect between two planets or bodies that are 18 degrees apart. Sometimes called a vigintile.
Semi-quartile. See "Semi-square."
Semi-quintile. See "Decile." ...

Semi-Decile (18°). Harmonious, but weak.
Inconjunct, Dissociate.

[edit] Semi-decile
The semi-decile (abrv. SD) or vigintile is an angle of 18°.
[edit] Undecim ...

Semi-Decile, or Vigintile.......... 18°
Combust.
Said of a planet closer than 5° to the Sun. It introduces factors that considerably alter the interpretation of the conjunction.

vigintile : Alternate term for semi-decile. See semi-decile.
vocational astrology : That branch of astrology devoted to career counseling in terms of the aptitudes and needs shown in the natal horoscope.

Virgintile (semi-decile) One of Kepler's minor aspects. 18 degrees, somewhat positive. VirgoThe sixth sign of the zodiac. Mutable and earthy. Ruled by Mercury. Emblem: The Virgin with a sheaf of wheat. More about Virgo.