Ternary and Threefold

Ternary adjective - Having three units or components or elements.

Threefold is a synonym for ternary in having three of something topic. In some cases you can use "Threefold" instead an adjective "Ternary".

Threefold adjective - Having three units or parts.

Ternary is a synonym for threefold in three times as many topic. You can use "Ternary" instead an adjective "Threefold".