noun · neutral

sensor

UK/ˈsɛnsə/US/ˈsɛnsər/SEN·sor

Band 7+speakingtask2

a device that detects or measures a physical property and records, indicates, or otherwise responds to it

Examples

Smoke detectors contain sensors that trigger alarms.

Smartphones have light sensors to adjust screen brightness automatically.

In Task 2 you could mention sensors as part of smart home technology.

Band 8 sentence

Modern buildings incorporate networks of sensors to optimise energy use and improve occupant comfort.

Collocations

  • motion sensor
  • temperature sensor

Word family

sensors noun (plural)sensory adjective

Common mistakes

sensesensor

sencersensor

Say it for a higher band

5device6detector7+sensor

Synonyms

detector

Easily confused

detector

The smoke detector's sensor detected a small amount of smoke and alerted the system.

Related words

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In Technology & Internet

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