attenuate
/əˈten.ju.eɪt/ IELTSAcademic
verb
To make something weaker, thinner, or less strong. It is often used in science, medicine, and formal writing.
- The medicine attenuated the virus's effects.
- Noise can attenuate the signal.
- The fabric attenuates the sunlight.
Adinary Nuance
Attenuate is more formal than weaken and often sounds scientific or technical. It focuses on reducing strength, intensity, or thickness, not just causing general harm. Writers may choose attenuate when they want a precise, measured word instead of the simpler weaken or reduce.
In other languages
- Vietnamese
- làm suy yếu
- Spanish
- atenuar
- Chinese
- 减弱
- Japanese
- 弱める
- Korean
- 약화시키다
Etymology
Attenuate comes from Latin attenuare, meaning “to make thin.” It entered English in the 16th century through formal and scientific writing.
Common phrases
attenuate a signalattenuate the effectattenuate symptoms
Synonyms
Related words
Frequently asked questions
- Is attenuate a common everyday word?
- No, it is more common in academic, medical, and technical English.
- What is the difference between attenuate and weaken?
- Weaken is more general. Attenuate is more formal and often means reduce strength or intensity.
- Can I use attenuate in business writing?
- Yes, but it may sound very formal. Weaken or reduce is often simpler.