† Deliacaladj.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Deliacus , -al suffix¹.

Etymology: < post-classical Latin Deliacus (1571 or earlier; < ancient Greek Δηλιακός of or relating to Delos < Δήλιος (see Delian adj.¹) + -ακός -ac suffix) + -al suffix¹.For the motivation of the name of the Deliacal problem n. see the etymological note at Delian problem n. at Delian n.¹ and adj.¹ Compounds.

Mathematics. Obsolete.

Deliacal 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. [In quot. 1714 after post-classical Latin problema Deliacum (1683 in the passage translated).]

ΚΠ

1714 W. Whiston tr. A. Tacquet Elements Euclid vi. 124 The Deliacal Problem [L. problema Deliacum], to wit, the Duplication of the Cube is performed by two Means.

1854 Encycl. Brit. VII. 707/2 Deliacal Problem, a celebrated problem among the ancients, concerning the duplication of the cube.

This entry has been updated (OED Third Edition, March 2020; most recently modified version published online September 2020).

单词	deliacal
释义	† Deliacaladj. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Deliacus , -al suffix¹. Etymology: < post-classical Latin Deliacus (1571 or earlier; < ancient Greek Δηλιακός of or relating to Delos < Δήλιος (see Delian adj.¹) + -ακός -ac suffix) + -al suffix¹.For the motivation of the name of the Deliacal problem n. see the etymological note at Delian problem n. at Delian n.¹ and adj.¹ Compounds. Mathematics. Obsolete. Deliacal 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. [In quot. 1714 after post-classical Latin problema Deliacum (1683 in the passage translated).] ΚΠ 1714 W. Whiston tr. A. Tacquet Elements Euclid vi. 124 The Deliacal Problem [L. problema Deliacum], to wit, the Duplication of the Cube is performed by two Means. 1854 Encycl. Brit. VII. 707/2 Deliacal Problem, a celebrated problem among the ancients, concerning the duplication of the cube. This entry has been updated (OED Third Edition, March 2020; most recently modified version published online September 2020). < adj.1714
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