Origin of tetrad
Words nearby tetrad
How to use tetrad in a sentence
For instance, they referred to justice as the (Tetrad, or) group-of-four,12 and likewise for everything else.Plotinos: Complete Works, v. 3|Plotinos (Plotinus)
During the tetrad division in the basidium nuclear reduction occurs.
The tetrad for the perfect figure—the cube, length, depth, and width.Notes and Queries for Worcestershire|John Noake
Having sent for that Brhman, he learnt from him a tetrad of gths.The Gtakaml|rya Sra
They are aborting members of the tetrad, and appear to have been used as food by the other spores.Ancient Plants|Marie C. Stopes