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diffraction grating [diffraction gratings]▼◼◼◼noun
grating [gratings]▼◼◼◼noun[UK: ˈɡreɪt.ɪŋ] [US: ˈɡreɪt.ɪŋ]
diffraction fringes▼noun[UK: dɪ.ˈfræk.ʃn̩ ˈfrɪn.dʒɪz] [US: də.ˈfræk.ʃn̩ ˈfrɪn.dʒəz]
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