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单词 lunular
释义

lunularadj.n.

/ˈl(j)uːnjʊlə/
Forms: Also 1500s (as noun; ? modern Latin) lunulare.
Etymology: < lunula n. + -ar suffix4.
Geometry.
A. adj.
Pertaining to a lune or lunule; in the form of a lunule, crescent-shaped.
ΘΚΠ
the world > space > shape > curvature > types of curvature > [adjective] > crescent-shaped
hornedc1400
semilunar1598
crescent1603
moony1605
mooned1607
half-mooned1611
lunary1623
lunar1635
semilunary1638
lunated1673
lunulated1705
moon-shaped1709
semi-lunated1726
lunular1728
lunulate1760
sickle-shaped1764
crescent-shaped1776
lunate1777
moonified1795
crescented1818
crescentic1835
semilunate1841
crescentric1851
demilune1885
crescentoid1887
the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > lunular
lunular1728
1728 E. Chambers Cycl. at Angle Lunular Angle..is that form'd by the Intersection of two Curve Lines; the one Concave, and the other Convex.
1740 G. Anderson Let. in S. P. Rigaud & S. J. Rigaud Corr. Sci. Men 17th Cent. (1841) (modernized text) I. 363 There is no need of the proportion of the arches..in order to measure the lunular segment.
1788 T. Taylor tr. Proclus Philos. & Math. Comm. I. 168 Two circumferences, either making angles, as in the lunular figure, or [etc.].
1797 Encycl. Brit. III. 442/2 [article Botany] The figure of Similitudes is..Lunular, crescent-shaped, subrotund.
B. n.
A crescent-shaped figure. Obsolete.
ΘΚΠ
the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > lune
lunula?a1560
lunular1570
lune1704
lunule1737
meniscus1817
1570 J. Dee in H. Billingsley tr. Euclid Elements Geom. Math. Præf. sig. aiiijv A Perfect Square,..Lunular, Ryng, Serpentine [etc.].
1579 L. Digges & T. Digges Stratioticos 104 Causing them..to change from Triangle to Square, from Circulare to Lunulare.
a1690 S. Jeake Λογιστικηλογία (1696) 12 The Lunular Decrescent is the sign of the Quotient of any Division.
1789 T. Taylor tr. Proclus Philos. & Math. Comm. II. 44 In lunulars and systroides.
This entry has not yet been fully updated (first published 1903; most recently modified version published online December 2020).
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adj.n.1570
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