Triplicity in a sentence as a noun

To make matters even more confusing, the methods use to determine "Ruling triplicity" for the x-axis of Figure 2 seems flawed. It uses the "line running from London to Riyadh" and the map of Figure 1 centers everything in Antioch.

Triplicity definitions

noun

(astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees

See also: trigon

noun

the property of being triple