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单词 sundial
释义

sundialn.

Brit. /ˈsʌnˌdʌɪəl/, U.S. /ˈsənˌdaɪəl/
Forms: see sun n.1 and dial n.1
Origin: Formed within English, by compounding. Etymons: sun n.1, dial n.1
Etymology: < sun n.1 + dial n.1 In sense 2 after scientific Latin Solarium, genus name ( Lamarck Hist. nat. des animaux sans vertèbres (1801) 86; specific use of classical Latin sōlārium sundial: see solarium n.).
1. An instrument used for telling the time outdoors, consisting of a flat surface marked with the hours of the day and a rod or triangular plate of metal (called a gnomon) which casts the shadow of the sun on to the surface to indicate the time. In earlier use called simply a dial (see dial n.1 2a).Now typically associated with large stationary instruments found in gardens and public spaces or on the walls of buildings and often regarded as decorative and ornamental rather than functional. In the past, portable instruments were also widely used, usually accompanied by a compass to aid correct orientation of the dial.
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the world > time > instruments for measuring time > [noun] > sundial
chilindrec1386
dialc1425
sundial1555
clocka1562
cylinder1593
horoscope1623
compass-dial1632
moon dial1664
ring dial1667
heliotrope1669
pole-dial1669
sciatheric1682
spot dial1687
polar dial1688
sun clock1737
meridian ring1839
solarium1842
journey-ring1877
scratch dial1914
1555 L. Digges Prognostication Right Good Effect sig. Fiii In any true fixed, or, movable Sunne Dial.
c1629 in A. Macdonald & J. Dennistoun Misc. Maitland Club (1843) III. ii. 375 Ane Sone dyall and ane piller to set it on.
1665 R. Boyle Occas. Refl. iv. xv. sig. Ff8v The Boat-man took out of his Pocket a little Sun-Dyal, furnished with an excited Needle to direct how to Set it.
1711 J. Swift Var. Thoughts in Misc. Prose & Verse 243 Like a Sundial on the Front of a House, to inform the Neighbours and Passengers, but not the Owner within.
1794 R. J. Sulivan View of Nature II. 320 Had the Romans any thing so scientific as a sun-dial, even during the second Punic war?
1861 T. Hughes Tom Brown at Oxf. I. Introd. 2 The great college sun-dial, over the lodge.
1874 J. T. Micklethwaite Mod. Parish Churches 183 A good terse motto is a desirable addition to a sun-dial.
1942 L. D. Rich We took to Woods viii. 218 Our tangles of zinnias and larkspur and violas, slopping over into rather shaggy grass paths, may be a pretty far cry from shell walks and clipped hedges and roses around a sun dial; but we love them.
2005 Brit. Life Jan. 44/3 In the Old Court of Queens' College there is a 17th century sundial, one of the finest examples in Britain.
2. More fully sundial shell. Any of the tropical marine gastropod molluscs of the family Architectonicidae, esp. of the genus Architectonica (formerly Solarium), having a flattened conical shell which is typically cream and brown in colour; the family itself. Also: the shell of such a mollusc. Occasionally with distinguishing word. Cf. staircase-shell n. at staircase n. Compounds 2.
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the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > other types of gastropod mollusc
purpura1598
patella1671
canoe-shell1711
oliva1823
monoceros1828
Olivella1835
holostome1864
sundial1868
archaeogastropod1955
1823 in Q. Jrnl. Sci. & Arts July 252 Solarium. [Note A sun-dial.] Shell orbicular, depressed conical.]
1868 tr. L. Figuier Ocean World 412 Besides the genus Trochus naturalists range a pretty marine shell, called the Sun-dial (Solarium).
1885 Standard Nat. Hist. I. 326 Solarium perspectivum has received the common names of perspective shell and sun-dial shell.
1908 J. E. Rogers Shell Bk. xxvii. 156 The Granulated Sun-dial Shell (S. granulatum, Lam.)..is finely checked by the crossing of spiral and radiating ridges, so as to have raised granules all over its upper surface.
1971 Biol. Bull. 140 296 Architectonicidae or sundial shells are a family of subtidal gastropods represented in tropical waters throughout the world.
2011 B. Witherington & D. Witherington Living Beaches Georgia & Carolinas 70 Sundials spend their days buried spire-down in the sand and emerge at night to feed on sea pansies.
This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).
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