barbiturate
noun
Meaning
A class of central nervous system depressants used medically to induce sleep, reduce anxiety, or prevent seizures.
Examples
- Medical professionals now rarely prescribe any barbiturate due to the high risk of fatal overdose.
- The patient was monitored closely after being administered a potent barbiturate for severe insomnia.
Synonyms: sedative, tranquilizer, hypnotic, depressant