direct-vision spectroscope
noun Optics.
a simple spectroscope consisting of a collimating lens and an Amici prism.
Origin of direct-vision spectroscope
First recorded in 1875–80
Words nearby direct-vision spectroscope
direct-grant school,
direct-mail shot,
direct-mailer,
direct-reading,
direct-vision prism,
direct-vision spectroscope,
directed,
directed angle,
directed verdict,
directed-energy device,
direction