noun, plural qui·na·ries.
Origin of quinary
Examples from the Web for quinary
The quinary element does not disappear, but merely sinks into a relatively unimportant position.
Above 20 the systems become vigesimal, with a quinary or decimal structure appearing in all numerals except multiples of 20.
This leads the quinary into the vigesimal scale, and produces the combination so often found in certain parts of the world.
But even then the universality of quinary counting for primitive peoples is by no means established.
Any number system which passes the limit 10 is reasonably sure to have either a quinary, a decimal, or a vigesimal structure.
British Dictionary definitions for quinary
noun plural -ries
Word Origin for quinary
Word Origin and History for quinary
c.1600, from Latin quinarius "consisting of five, containing five," from quint "five each" (see five).