| 单词 | polar dial |
| 释义 | > as lemmaspolar dial polar dial n. a sundial whose gnomon lies in a plane containing the earth's axis. 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 1688 G. Sinclair Princ. Astron. & Navigation xv. 72 The end or extremity of their Gnomons, upon their Horizontal Dialls, which are our Polar Dialls, describe the whole Year. 1737 C. Leadbetter Mechanick Dialling ix. 34 This Dial is called by some Authors an Equinoctial Dial, and by others a Polar Dial. 2001 Contra Costa (Calif.) Times (Nexis) 2 June c1 An aluminum polar dial. Gnomon has the profile of the Golden Gate Bridge. < as lemmas |
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