Meaning & use

attenuate

verb·Advanced

To reduce the force, strength, effectiveness, or intensity of something over time or distance.

See it in a sentence

Thick concrete walls attenuate the sound of traffic from the busy street outside.

The vaccine uses a weakened virus that has been attenuated to prevent illness.

A note on using this word

"Attenuates" is the third-person singular form; the word is common in physics, medicine, and engineering.

Words with a similar meaning

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