noun
polarized light; polarization (of light)
Physics term referring to light whose waves oscillate in a particular direction. Often used in compounds like 偏光板 (polarizing plate) or 偏光顕微鏡 (polarizing microscope).
偏光サングラスは反射光を抑える。
Polarized sunglasses reduce reflected light.
この顕微鏡は偏光を利用して結晶を観察する。
This microscope uses polarized light to observe crystals.
Compound of 偏 (へん, 'biased, inclined') and 光 (こう, 'light'), literally 'biased light'. The term is a modern scientific coinage.