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elektromagnetiline kiirgus kõikidelt ainetelt, mille temperatuur on absoluutsest nullist kõrgem, emission of electromagnetic waves from all matter that has a temperature greater than absolute zero
soojakiirgus . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/soojakiirgus/1/est (19.06.2026)
