| 单词 | spot dial |
| 释义 | > as lemmasspot dial spot dial n. now historical a sundial in which the time is indicated by the position of a spot, esp. a bright spot produced by sunlight shining through a hole or reflected from a mirror. ΘΚΠ 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 1687 G. Clark Spot-dial 5 The Spot-Dial is of two sorts; in the one the Lines go to a black Spot, in the other a bright Spot goes to the Lines. 1734 I. Watts Reliquiæ Juveniles lxvii. 295 On a Ceiling Dial, usually called a Spot-Dial. 1902 A. M. Earle Sun Dials & Roses Yesterday ii. 51 In a spot-dial you tell the hour by a mark of light instead of shadow. 1974 D. G. Fountain Isaac Watts Remembered vii. 67 In one of the rooms..was a ceiling or Spot Dial—an invention of Sir Isaac Newton—which consisted of a little mirror fixed in the floor so as to reflect the sun on to a dial marked on the ceiling. < as lemmas |
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