Photocell: meaning, definitions and examples

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photocell

 

[ หˆfoสŠ.tษ™สŠ.sษ›l ]

Noun
Context #1 | Noun

electrical device

A photocell is a device that converts light energy into electrical energy. It is commonly used in outdoor lighting systems to automatically turn lights on at dusk and off at dawn based on ambient light levels.

Synonyms

light sensor, light-dependent resistor, photoresistor

Examples of usage

  • The street lights turn on automatically thanks to the photocell.
  • A photocell helps conserve energy by only operating lights when necessary.
  • Photocells are often used in solar garden lights for efficiency.

Translations

Translations of the word "photocell" in other languages:

๐Ÿ‡ต๐Ÿ‡น fotocรฉlula

๐Ÿ‡ฎ๐Ÿ‡ณ เคซเฅ‹เคŸเฅ‹เคธเฅ‡เคฒ

๐Ÿ‡ฉ๐Ÿ‡ช Fotowiderstand

๐Ÿ‡ฎ๐Ÿ‡ฉ fotocell

๐Ÿ‡บ๐Ÿ‡ฆ ั„ะพั‚ะพะตะปะตะผะตะฝั‚

๐Ÿ‡ต๐Ÿ‡ฑ fotokomรณrka

๐Ÿ‡ฏ๐Ÿ‡ต ใƒ•ใ‚ฉใƒˆใ‚ปใƒซ

๐Ÿ‡ซ๐Ÿ‡ท photocell

๐Ÿ‡ช๐Ÿ‡ธ fotosensor

๐Ÿ‡น๐Ÿ‡ท fotocell

๐Ÿ‡ฐ๐Ÿ‡ท ํฌํ† ์…€

๐Ÿ‡ธ๐Ÿ‡ฆ ุฎู„ุงูŠุง ุถูˆุฆูŠุฉ

๐Ÿ‡จ๐Ÿ‡ฟ fotobuลˆka

๐Ÿ‡ธ๐Ÿ‡ฐ fotobunka

๐Ÿ‡จ๐Ÿ‡ณ ๅ…‰็”ตๆฑ 

๐Ÿ‡ธ๐Ÿ‡ฎ fotocelica

๐Ÿ‡ฎ๐Ÿ‡ธ ljรณsfruma

๐Ÿ‡ฐ๐Ÿ‡ฟ ั„ะพั‚ะพัะปะตะผะตะฝั‚

๐Ÿ‡ฌ๐Ÿ‡ช แƒคแƒแƒขแƒแƒกแƒ”แƒšแƒ

๐Ÿ‡ฆ๐Ÿ‡ฟ fotocell

๐Ÿ‡ฒ๐Ÿ‡ฝ fotocelda

Etymology

The term 'photocell' comes from the combination of 'photo' meaning 'light' and 'cell' referring to a basic unit of a system. The use of photocells dates back to the early 20th century when the technology for converting light into electrical energy was developed. Photocells utilize the photoelectric effect, a phenomenon that was first observed by Heinrich Hertz in the late 1800s. This principle was further explored by notable scientists like Albert Einstein, who explained how light could release electrons from materials. The practical applications of photocells have grown significantly since then, expanding from basic lighting to various fields including solar energy, security systems, and industrial automation.

Word Frequency Rank

At rank #29,369, this word represents specialized academic or technical vocabulary. It's less frequently encountered but may be valuable in specific contexts.