direct-vision spectroscope

noun Optics.

a simple spectroscope consisting of a collimating lens and an Amici prism.

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Nearby words

direct-grant school, direct-mail shot, direct-mailer, direct-reading, direct-vision prism, direct-vision spectroscope, directed, directed angle, directed verdict, directed-energy device, directing

Origin of direct-vision spectroscope

First recorded in 1875–80

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019