![]() 989,951,390 visitors served. |
|
![]() Dictionary/ thesaurus | ![]() Medical dictionary | ![]() Legal dictionary | ![]() Financial dictionary | ![]() Acronyms | ![]() Idioms | ![]() Encyclopedia | ![]() Wikipedia encyclopedia | ? |
photodetector |
Also found in: Wikipedia | 0.04 sec. |
|
A device that senses light. It uses the principle of photoconductivity, which is exhibited in certain materials that change their electrical conductivity when exposed to light. See photoelectric, photocell and photodiode. |
|
? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Last night at work a waitress, Shelley, received a photo message on her photo cell phone. Normally, security lighting will come on when sunlight diminishes to a certain point during the evening, triggering a photo cell attached to the system. If the sand is dry, it falls through a slot where a photo cell sensor detects the material and adds water to the muller. |
| Free Tools: |
For surfers:
Browser extension |
Word of the Day |
Help
For webmasters: Free content NEW! | Linking | Lookup box | Double-click lookup | Partner with us |
|
|---|