duodenaryadj.n.
/djuːəʊˈdiːnəri/ A. adj.
1. Arithmetic. Pertaining to twelve; proceeding by twelves.
ΘΚΠ
the world > relative properties > number > specific numbers > eleven to ninety-nine > [adjective] > twelve > counting in twelves
duodecimal1727
tolfraedic1813
uncial1842
duodenary1857
1857 Sat. Rev. 3 448/1 The use of the duodenary division of the shilling.
1864 Webster's Amer. Dict. Eng. Lang. (at cited word) Duodenary arithmetic, that system in which the local value of the figures increases in a twelve-fold proportion from right to left.
1890 Times (Weekly ed.) 17 Jan. 15/1 The duo-denary system of calculation.
2. Music. Relating to duodenes.
ΚΠ
1874 A. J. Ellis in Proc. Royal Soc. 23 21 The fingering..on manuals constructed on the duodenary theory.
B. n.† 1. A period of twelve years. Obsolete.
ΘΚΠ
the world > time > period > year > [noun] > period of specific number of years
hendecadOE
a week of yearsa1382
weekc1384
Olympiada1387
lustre1387
yearc1425
millenary1551
prenticeship1553
septenary1576
lustrum1590
quinquennal1590
seventy1590
septimane1603
quinquennie1606
threescore (years) and tena1616
duodecad1621
quinquennium1621
jubilee1643
quadrenniala1646
chiliad1653
septennary1659
septennium1660
triennial1661
millennium1664
tetraëterid1678
octennial1679
duodenary1681
quadrennium1779
septenniad1836
quinquenniad1842
milliad1843
tricentenary1846
triennium1847
vicennium1847
bimillenary1850
lustration1853
sexennium1858
septennate1874
quinquennial1877
pentad1880
sexennate1898
aeon1960
1681 H. More Plain Expos. Daniel 224 In the beginning of the Duodenary.
2. Music. A keyboard constructed according to duodenes. See A. 2.
ΚΠ
1874 A. J. Ellis in Proc. Royal Soc. 28 The hand would on the duodenary..dip between high digitals to strike octaves of low digitals.
This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022).
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adj.n.1681