of or concerned with electric or electronic effects caused by light or other electromagnetic radiation
Derived forms
photoelectrically (ˌphotoeˈlectrically)
adverb
photoelectricity (ˌfəʊtəʊɪlɛkˈtrɪsɪtɪ)
noun
photoelectric in American English
(ˌfoʊtoʊiˈlɛktrɪk)
adjective
of or having to do with the electric effects produced by light or other radiation,esp. as in the emission of electrons by certain substances when subjected to light or radiation of suitable wavelength
Word origin
photo- + electric
Examples of 'photoelectric' in a sentence
photoelectric
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Over the threshold, past the photoelectric beam, and I jabbed the button, any button, and held it down.
Pritchard, John NIGHT SISTERS
All related terms of 'photoelectric'
photoelectric cell
a photodetector that regulates or produces a current or voltage in response to certain types of radiation , esp. visible light: typically incorporated in an electric circuit and used in mechanical devices as to open doors , set off alarms , etc.
photoelectric effect
the ejection of electrons from a solid by an incident beam of sufficiently energetic electromagnetic radiation
photocell
a device in which the photoelectric or photovoltaic effect or photoconductivity is used to produce a current or voltage when exposed to light or other electromagnetic radiation. They are used in exposure meters , burglar alarms , etc
photoelectric magnitude
the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
Einstein's photoelectric law
the principle that the maximum energy of a photoelectron is h ν – Φ, where ν is the frequency of the incident radiation , h is the Planck constant , and Φ is the work function
photocurrent
an electric current produced by electromagnetic radiation in the photoelectric effect, photovoltaic effect, or photoconductivity