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direct-vision spectroscope
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noun Optics.
a simple spectroscope consisting of a collimating lens and an Amici prism.
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Origin of direct-vision spectroscope
First recorded in 1875–80
Words nearby direct-vision spectroscope
direct selling, direct speech, direct sum, direct tax, direct-vision prism, direct-vision spectroscope, Diredawa, direful, diremption, dire wolf, direxit
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023