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astrodome

[as-truh-dohm]
noun
  1. a transparent dome on top of the fuselage of an aircraft, through which observations are made for celestial navigation.
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Origin of astrodome

First recorded in 1940–45; astro- + dome
Also called astro hatch [as-troh] /ˈæs troʊ/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for astrodome

astrodome

noun
  1. Also called: astrohatch a transparent dome on the top of an aircraft, through which observations can be made, esp of the stars
  2. a large domed sports stadium
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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