Learn how to say Triplicity correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word triplicity:
noun (plural triplicities)
a group of three people or things:
the triplicity of persons within the absolute unity of the godhead
[mass noun] archaic the state of being triple.
late Middle English (as a term in astrology): from late Latin triplicitas, from Latin triplex, triplic- ‘threefold’ (see triplex)