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Petrichor: The smell after rainfall
(of a reflecting telescope) having plane mirrors positioned to reflect light from the primary mirror along the axis onto a detector
French, literally: bent in the shape of an elbow, from
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
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