[foh-toh-di-grey-duh-buh l] /ˌfoʊ toʊ dɪˈgreɪ də bəl/
(of a substance) capable of being broken down by light.
(of plastic) capable of being decomposed by prolonged exposure to light
photodegradable pho·to·de·grad·a·ble (fō’tō-dĭ-grā’də-bəl)
Capable of being chemically broken down by light.
Capable of decomposing when exposed to light. Photodegradable plastic, for example, becomes brittle and breaks into smaller pieces when exposed to sunlight, helping reduce litter and environmental damage.
photodermatitis pho·to·der·ma·ti·tis (fō’tō-dûr’mə-tī’tĭs) n. Dermatitis caused by exposure to ultraviolet light.
[foh-toh-di-tek-ter] /ˈfoʊ toʊ dɪˌtɛk tər/ noun 1. . 2. Electronics. any device, as a photodiode, phototube, or photovoltaic cell, that uses the photoelectric effect to convert radiant energy into an electrical signal.
[foh-toh-dahy-ohd] /ˈfoʊ toʊˌdaɪ oʊd/ noun, Electronics. 1. a photosensitive semiconductor . /ˌfəʊtəʊˈdaɪəʊd/ noun 1. a semiconductor diode, the conductivity of which is controlled by incident illumination photodiode (fō’tō-dī’ōd’) A diode that exhibits sensitivity to light, either by varying its electrical resistance like a photoresistor, or generating a electric potential in the manner of a photoelectric […]
[foh-toh-di-sin-ti-grey-shuh n] /ˌfoʊ toʊ dɪˌsɪn tɪˈgreɪ ʃən/ noun, Physics. 1. the of a nucleus, induced by its absorption of a photon. /ˌfəʊtəʊdɪˌsɪntɪˈɡreɪʃən/ noun 1. disintegration of an atomic nucleus as a result of its absorption of a photon, usually a gamma ray