duodecimaladj.n.

/djuːəʊˈdɛsɪməl/

Etymology: < Latin duodecimus twelfth, < duodecim twelve: see -al suffix¹. Compare French duodécimal (1801 Hauy).

A. adj.

Relating to twelfth parts or to the number 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

1727 J. Jordaine (title) Duodecimal Arithmetick and Mensuration improved.

1749 Acct. Voy. for Discov. North-west Passage II. 56 A duodecimal Progression.

1857 Sat. Rev. 3 448/1 A strictly duodecimal coinage.

B. n.

plural duodecimals n. a method of multiplying together quantities denoting lengths given in feet, inches, twelfths of an inch, etc., without reducing them to one denomination; also called cross-multiplication.The method is essentially that of long multiplication, but in the duodecimal scale instead of the decimal. The successive terms of the result denote square feet, twelfths of a square foot, square inches, etc.

ΘΚΠ

the world > relative properties > number > arithmetic or algebraic operations > [noun] > multiplication > of feet and inches

cross-multiplication1703

duodecimals1714

1714 S. Cunn (title) A new and compleat treatise of the doctrine of fractions..with..an epitome of duodecimals.

1802 P. Barlow (title) On the Method of Transforming a Number from one Scale of Notation to another, and its Application to the rule of Duodecimals.

1859 B. Smith Arith. & Algebra (ed. 6) 167 This method is styled Cross Multiplication or Duodecimals, and it is generally employed by painters, bricklayers, &c., in measuring work.

Derivatives

duoˈdecimally adv.

ΚΠ

1847 J. Craig New Universal Dict. Duodecimally, by duodecimals.

This entry has not yet been fully updated (first published 1897; most recently modified version published online September 2018).

单词	duodecimal
释义	duodecimaladj.n. /djuːəʊˈdɛsɪməl/ Etymology: < Latin duodecimus twelfth, < duodecim twelve: see -al suffix¹. Compare French duodécimal (1801 Hauy). A. adj. Relating to twelfth parts or to the number 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 1727 J. Jordaine (title) Duodecimal Arithmetick and Mensuration improved. 1749 Acct. Voy. for Discov. North-west Passage II. 56 A duodecimal Progression. 1857 Sat. Rev. 3 448/1 A strictly duodecimal coinage. B. n. plural duodecimals n. a method of multiplying together quantities denoting lengths given in feet, inches, twelfths of an inch, etc., without reducing them to one denomination; also called cross-multiplication.The method is essentially that of long multiplication, but in the duodecimal scale instead of the decimal. The successive terms of the result denote square feet, twelfths of a square foot, square inches, etc. ΘΚΠ the world > relative properties > number > arithmetic or algebraic operations > [noun] > multiplication > of feet and inches cross-multiplication1703 duodecimals1714 1714 S. Cunn (title) A new and compleat treatise of the doctrine of fractions..with..an epitome of duodecimals. 1802 P. Barlow (title) On the Method of Transforming a Number from one Scale of Notation to another, and its Application to the rule of Duodecimals. 1859 B. Smith Arith. & Algebra (ed. 6) 167 This method is styled Cross Multiplication or Duodecimals, and it is generally employed by painters, bricklayers, &c., in measuring work. Derivatives duoˈdecimally adv. ΚΠ 1847 J. Craig New Universal Dict. Duodecimally, by duodecimals. This entry has not yet been fully updated (first published 1897; most recently modified version published online September 2018). < adj.n.1714
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