Pho-tŏl'o-gy, n.
n. [Fr. photologie, from Gr. φῶς, φωτός, light, and λόγος, discourse.] The doctrine or science of light, explaining its nature and phenomena. Mitchell.
n. [Fr. photologie, from Gr. φῶς, φωτός, light, and λόγος, discourse.] The doctrine or science of light, explaining its nature and phenomena. Mitchell.