| 单词 | armillary sphere |
| 释义 | armillary spherenoun Astronomy.an ancient instrument consisting of an arrangement of rings, all of which are circles of the same sphere, used to show the relative positions of the celestial equator, ecliptic, and other circles on the celestial sphere. Origin of armillary sphereFirst recorded in 1550–60 Words nearby armillary spherearmigerous, armill, armilla, armillaria root rot, armillary, armillary sphere, Armillifer, arm in arm, arming, arming chest, Arminian Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for armillary spherearmillary sphere nouna model of the celestial sphere consisting of rings representing the relative positions of the celestial equator, ecliptic, etc, used by early astronomers for determining the positions of stars Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for armillary spherearmillary sphere [ är′mə-lĕr′ē, är-mĭl′ə-rē ] An early astronomical device made of fixed and movable rings representing circles of the celestial sphere, such as the ecliptic and the celestial equator. It was used as early as the third century bce as both a teaching instrument and an observational tool. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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