Triplicity

Science / Astrology / Triplicity: A group of three signs belonging to the same element: fire (Aries, Leo, Sagittarius); earth (Taurus, Virgo, Capricorn); air (Gemini, Libra, Aquarius); and water (Cancer, Scorpio, Pisces). The members of a triplicity lie 120?° apart in the zodiac, forming a trigonal and harmonious relationship with each other.
Search Google for Triplicity:

Air Signs

Science / Astrology / Air Signs: Gemini, Libra and Aquarius, traditionally associated with the air element and members of the air triplicity. These signs indicate free-flowing expression of areas of communication ant the intellect. MORE

Elements

Health / Acupuncture / Elements: The Chinese belief that everything around us comes in five elements. These elements are fire, water, metal, earth, and wood. The body?€™s meridians are organized in such a way to reflect this. The MORE

Trigon

Science / Astrology / Trigon: The three member signs of a triplicity. Also used as an alternate term for grand trine. See also grand trine, triplicity. MORE