quindenary
adjEtymology From Latin quindēnārius (“containing fifteen”). Equivalent to quindene + -ary.
1
Containing fifteen things, or to the base of fifteen.
- […] 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.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, page 170
- […] or 44 in the quindenary scale.1945, The American Mathematical Monthly:
1 more example
- 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.1975, Sándor Szathmári, Kazohinia, page 52: