detectors

word · lemma: detector

Definition

Devices or machines that sense or discover the presence of certain things, such as smoke, metal, or movement.

Usage & Nuances

Usually plural; often paired with the substance detected (e.g., 'smoke detectors', 'metal detectors'). Common in safety, security, and science contexts. Not used for people—'detectors' are always inanimate devices.

Example Sentences

Some detectors can even sense carbon monoxide you can't smell.

natural

You should test your detectors at home every month to make sure they're working.

natural

There are two detectors in the kitchen for safety.

basic

The airport uses detectors to find hidden metal objects.

basic

The smoke detectors went off during the fire drill.

basic

The old building didn't have any detectors installed until last year.

natural