quaternary

About 1.96 uses per million words.

Meaning

1. adjective Of fourth rank or order.

   the quaternary stress in a pronounced word

2. adjective Of a mathematical expression containing e.g. x.
3. adjective Relating to or in number base four.
4. adjective having a quaternary ammonium group.
5. adjective Composed of four elements.
6. noun A quaternary compound.
7. noun The Quaternary period or the system of deposits laid down during it.

Similar words

fourth four quatern quaternion quaternity quaternate tetrad ordinal multiple iv

Often followed by

ammonium research structure deposits period geology sediments science and

Word family

Quaternaries Quaternary quaternaries