English

Adjective

quindenary ‎(not comparable)

1. Containing fifteen things, or to the base of fifteen.
   • 1878, James Joseph Sylvester, On an Applicaton of the New Atomic Theory, etc, appendix 1, Remarks on Differentiants expressed in terms of the differences of the roots of their parent quantics, originally published in the American Journal of Mathematics, republished in The Collected Mathematical Papers of James Joseph Sylvester (2008, ISBN 0821847201), page 170:

     […] it and M. Hermite's form ; the latter is intrinsically a quinary group of triadic products, but such representation in the case of M. Joubert's form is purely conventional and confusing, it really being a single indecomposable quindenary product.

   • 1945, The American Mathematical Monthly:

     […] or 44 in the quindenary scale.

   • 1975, Sándor Szathmári, Kazohinia, page 52:

     Each number had two names: a vowel and a consonant, from which the Reader can already see that they did not use the decimal but the quindenary numerical system.