phenobarbital

Thân thiện

A doctor prescribes phenobarbital to a patient.

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.

Học thuật

Noun

1. a long-acting barbiturate used as a sedative

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