suppressant
nounUK /səˈprɛsənt/
US /səˈprɛsənt/
A suppressant is something that stops or slows down something else.
The doctor gave him a cough suppressant to help him stop coughing.
RELATED WORDS
OTHER MEANINGS
2. A medicine or substance that reduces a body function, such as coughing or appetite.
She took an appetite suppressant before dinner.
3. Something that holds back or controls an activity or feeling.
The new rules acted as a suppressant on noisy behavior in the library.
4. A chemical that slows down a reaction or process.
The lab added a suppressant to keep the mixture from reacting too fast.