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electromagnetic radiation with wavelengths longer than that of visible light but shorter than microwaves, elektromagnetkiirgus, mille lainepikkus on suurem kui nähtaval valgusel ja väiksem kui lühimatel raadiolainetel
IR-kiirgus . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/IR-kiirgus/1/est (19.06.2026)
