“ray spectrometer”

We have one entry that includes the term ray spectrometer.

X-ray spectrometer

noun

: a spectrometer for measuring the angles of diffraction of X rays produced by reflection from a crystal or for measuring X-ray spectra

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  • any of a genus helianthus especially h annuus of new world composite plants with large yellow rayed flower heads bearing edible seeds that yield an edible oil
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