IPA: /ˈtɜːrniən/
KK: /ˈtɜrnɪən/
A group or set of three items or elements considered together.
The artist created a ternion of sculptures that represented the three stages of life.
Ternion → It is formed from "terni" (meaning three) and the suffix "-ion" (indicating a state or condition). The word "ternion" refers to a group or set of three.
Think of the root meaning 'three' — that's why a 'ternion' refers to a group of three.