An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian
فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک
M. Heydari-Malayeri - Paris Observatory
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Number of Results: 1 Search : entrance slit
entrance slit
شکاف ِ درآیش
šekâf-e darâyeš
Fr.: fente d'entrée
A thin slit in an opaque screen by which light enters a spectrograph.
→
entrance
; →
slit
.
