 optical_crown |
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| 1. | [ noun ] (chemistry) optical glass of low dispersion and low refractive index | |
| Synonyms: | crown_glass | |
| Related terms: | optical_glass | |
| Similar spelling: |
optical_lens optical_disc optical_maser optical_flint optical_fiber optical_bench optical_fusion optical_disk optical_prism optical_illusion optical_glass optical_fibre optical_device optical_opacity optic_tract optic_disc |
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