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elektromagnetlainete spektri lainepikkuste vahemik 400-760 nm, mis on inimsilmale tajutav, region of the electromagnetic spectrum extending from about 400 nm to 760 nm
visible region . Keemiaterminite baas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//kem/visible%20region/1/eng (20.06.2026)
