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单词 longilateral
释义

longilateraladj.

Brit. /ˌlɒn(d)ʒᵻˈlat(ə)rəl/, /ˌlɒn(d)ʒᵻˈlat(ə)rl̩/, U.S. /ˌlɔndʒᵻˈlædərəl/, /ˌlɑndʒᵻˈlædərəl/, /ˌlɔndʒᵻˈlætrəl/, /ˌlɑndʒᵻˈlætrəl/
Forms: 1600s longilaterall, 1700s– longilateral.
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin longilaterus , -al suffix1.
Etymology: < post-classical Latin longilaterus long-sided (6th cent. in Boethius; < classical Latin longi- longi- comb. form + later- , latus side: see lateral adj. and n.) + -al suffix1.
Mathematics.
Of a number: expressible as the product of two whole numbers that differ by 1 (as 12, = 3 × 4, and 56,= 7 × 8); (of a plane figure) represented by such a pair of numbers; not quite square, (also) long and narrow.
ΘΚΠ
the world > space > shape > angularity > specific angular shape > [adjective] > quadrilateral > long-sided
longilateral1658
1658 Sir T. Browne Garden of Cyrus i, in Hydriotaphia: Urne-buriall 95 The decussis is made within a longilaterall square, with opposite angles acute and obtuse at the Intersection.
1776 tr. F. de Salinas in J. Hawkins Gen. Hist. Music I. vi. 85 The last numbers are square, the first longilateral, and the middle ones less than those that are square by unity.
1816 T. Taylor Theoretic Arithm. i. xix. 43 But the numbers which are placed about the angular numbers, are longilateral.
1904 C. Hyatt-Woolf Optical Dict. 77/2 Longilateral, having the form of an elongated parallelogram.
1905 Atlantic Monthly July 242/2 On the tray were placed seven tanzaku (longilateral slips of fine tinted paper for the writing of poems).
1983 M. Masi tr. Boethius De Institutione Arithmetica in Boethian Number Theory 107 I call those numbers longilateral [or longer by one side] which multiply themselves in exceeding each other by one.
This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).
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adj.1658
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