1. (electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves)
podczerwień, promieniowanie nadczerwone, promieniowanie infraczerwone
synonim: infrared
synonim: infrared light
synonim: infrared radiation

2. (electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves)
promieniowanie podczerwone: : synonim: infrared
synonim: infrared light
synonim: infrared radiation