gittern.

/ˈɡɪtə/

Etymology: German = lattice, grating.

Optics.

A diffraction grating.

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > instruments to refract, etc., light > [noun] > diffraction grating

gitter1876

grating1877

1876 Harper's Mag. Jan. 210 The earliest gitters were prepared by Fraunhofer, and were ruled through leaf metal or thin coatings of grease on glass.

1881 C. S. Peirce in Nature 21 July 262/2 It will be possible to deduce from the minimum deviation of this line produced by any given gitter, the mean width of that gitter.

This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2018).

单词	gitter
释义	gittern. /ˈɡɪtə/ Etymology: German = lattice, grating. Optics. A diffraction grating. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > instruments to refract, etc., light > [noun] > diffraction grating gitter1876 grating1877 1876 Harper's Mag. Jan. 210 The earliest gitters were prepared by Fraunhofer, and were ruled through leaf metal or thin coatings of grease on glass. 1881 C. S. Peirce in Nature 21 July 262/2 It will be possible to deduce from the minimum deviation of this line produced by any given gitter, the mean width of that gitter. This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2018). < n.1876
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