Deliacadj.

Brit.

/ˈdiːlɪak/, U.S.

/ˈdiliˌæk/

Forms: 1600s Deliacke, 1600s Deliaick, 1700s–1800s Deliack, 1800s– Deliac.

Origin: A borrowing from Latin. Etymon: Latin Deliacus.

Etymology: < post-classical Latin Deliacus (1571 or earlier) < ancient Greek Δηλιακός of or relating to Delos < Δήλιος (see Delian adj.¹) + -ακός -ac suffix.In Deliac problem n. after post-classical Latin problema Deliacum (1569 or earlier). For the motivation of the name see the etymological note at Delian problem n. at Delian n.¹ and adj.¹ Compounds. Compare the following earlier examples of Deliac in the sense ‘of or relating to the Island of Delos’:1601 P. Holland tr. Pliny Hist. World II. xxxiii. xi. 481 After the manner of Deliacke workemanship.1603 P. Holland tr. Plutarch Morals 937 His oration as touching this matter is at this day extant, entituled The Deliaque oration.Compare Middle French Deliaque, French Déliaque of or relating to the Island of Delos (1567 or earlier), designating the Deliac problem (1685 or earlier).

Mathematics. Now rare.

Deliac problem n. the problem of finding a cube having a volume exactly double that of a cube whose side length is known; = Delian problem n. at Delian n.¹ and adj.¹ Compounds.

ΘΚΠ

the world > relative properties > number > mathematics > [noun] > mathematical enquiry > proposition > problem > specific problem

Deliac problem1636

word problem1903

travelling salesman problem1949

four-colour problem1962

1636 Ramus's Via Regia ad Geometriam xiii. 172 Whereupon arose the Deliacke probleme, which troubled Apollo himselfe.

1814 A. Rees Cycl. (1819) XXVIII. at Problem, Deliacal This problem coincides with that for finding two mean proportionals between two given lines; whence that also is called the deliac problem.

1965 R. G. de Bray tr. A. Reymond Hist. Sci. Greco-Roman Antiq. 55 The duplication of the cube is also called the Deliac problem.

This is a new entry (OED Third Edition, December 2020; most recently modified version published online March 2022).

单词	deliac
释义	Deliacadj. Brit. /ˈdiːlɪak/, U.S. /ˈdiliˌæk/ Forms: 1600s Deliacke, 1600s Deliaick, 1700s–1800s Deliack, 1800s– Deliac. Origin: A borrowing from Latin. Etymon: Latin Deliacus. Etymology: < post-classical Latin Deliacus (1571 or earlier) < ancient Greek Δηλιακός of or relating to Delos < Δήλιος (see Delian adj.¹) + -ακός -ac suffix.In Deliac problem n. after post-classical Latin problema Deliacum (1569 or earlier). For the motivation of the name see the etymological note at Delian problem n. at Delian n.¹ and adj.¹ Compounds. Compare the following earlier examples of Deliac in the sense ‘of or relating to the Island of Delos’:1601 P. Holland tr. Pliny Hist. World II. xxxiii. xi. 481 After the manner of Deliacke workemanship.1603 P. Holland tr. Plutarch Morals 937 His oration as touching this matter is at this day extant, entituled The Deliaque oration.Compare Middle French Deliaque, French Déliaque of or relating to the Island of Delos (1567 or earlier), designating the Deliac problem (1685 or earlier). Mathematics. Now rare. Deliac problem n. the problem of finding a cube having a volume exactly double that of a cube whose side length is known; = Delian problem n. at Delian n.¹ and adj.¹ Compounds. ΘΚΠ the world > relative properties > number > mathematics > [noun] > mathematical enquiry > proposition > problem > specific problem Deliac problem1636 word problem1903 travelling salesman problem1949 four-colour problem1962 1636 Ramus's Via Regia ad Geometriam xiii. 172 Whereupon arose the Deliacke probleme, which troubled Apollo himselfe. 1814 A. Rees Cycl. (1819) XXVIII. at Problem, Deliacal This problem coincides with that for finding two mean proportionals between two given lines; whence that also is called the deliac problem. 1965 R. G. de Bray tr. A. Reymond Hist. Sci. Greco-Roman Antiq. 55 The duplication of the cube is also called the Deliac problem. This is a new entry (OED Third Edition, December 2020; most recently modified version published online March 2022). < adj.1636
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