phenobarbital
Definition
Noun: A long-acting barbiturate drug, specifically a barbituric acid derivative, used primarily as a sedative and anticonvulsant medication. It is a central nervous system depressant.
Usage
This word is used in medical and pharmacological contexts. It refers to a specific pharmaceutical substance. * Phenobarbital is prescribed to control certain types of seizures. * The veterinarian administered phenobarbital to sedate the anxious animal.
Advanced Usage
- Chemical Name: It is also known by its systematic name: 5-ethyl-5-phenylbarbituric acid.
- Legal/Regulatory Context: It is a controlled substance in many jurisdictions due to its potential for dependence and abuse.
Variants and Related Words
- Phenobarbitone (noun): An alternative name for the same drug, commonly used in British English.
- Barbiturate (noun): The broader class of drugs to which phenobarbital belongs.
Synonyms
- Sedative
- Anticonvulsant
- Barbiturate (as a general class)
Related Phrases/Idioms
- None directly associated. As a specific drug name, it is not typically used in idiomatic expressions.
Noun
-
a long-acting barbiturate used as a sedative
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