Quaternate and Tetrad

Quaternate adjective - Consisting of or especially arranged in sets of four.

Tetrad and quaternate are semantically related in having four of something topic. In some cases you can use "Tetrad" instead an adjective "Quaternate".

Tetrad noun - The cardinal number that is the sum of three and one.

Quaternate and tetrad are semantically related in having four of something topic. You can use "Quaternate" instead an adjective "Tetrad".