barbiturate

C1
UK/bɑːˈbɪtʃʊrət/US/bɑːrˈbɪtʃərət/

Technical / Medical / Historical

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Definition

Meaning

A type of drug that acts as a central nervous system depressant, used originally as a sedative or sleep aid.

Any of a class of synthetic drugs derived from barbituric acid, historically used for sedation, anesthesia, and seizure control, but now largely replaced due to high risk of addiction and overdose.

Linguistics

Semantic Notes

The term often carries connotations of mid-20th century medical treatment, addiction, dangerous overdoses, and crime (e.g., 'barbiturate poisoning'). It is now primarily used in historical, forensic, or specialist pharmacological contexts.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. Spelling and pronunciation are consistent.

Connotations

Identical connotations of danger, addiction, and dated medical practice in both varieties.

Frequency

Equally low-frequency in both dialects, confined to specific technical or historical contexts.

Vocabulary

Collocations

strong
prescribeoverdoseaddictionwithdrawalpoisoningsedativelong-actingshort-acting
medium
dangeroussyntheticpotentlethaladdictiveabusetake
weak
commonoldmedicalpowerfulcaseuse

Grammar

Valency Patterns

The doctor prescribed a barbiturate.She overdosed on barbiturates.Barbiturates were widely used in the 1950s.

Vocabulary

Synonyms

Strong

tranquilizer (historical context)sleeping pill (specific type)

Neutral

sedativedownerdepressant

Weak

drugmedicationtablet

Vocabulary

Antonyms

stimulantamphetamineupper

Phrases

Idioms & Phrases

  • [No common idioms; the word itself is technical]

Usage

Context Usage

Business

Rare, except in pharmaceutical industry history or liability cases.

Academic

Used in history of medicine, pharmacology, toxicology, and forensic science.

Everyday

Very rare. Might appear in historical dramas, true crime stories, or discussions about drug addiction.

Technical

Standard term in pharmacology, forensic pathology, and medical history to refer to this specific class of drugs.

Examples

By Part of Speech

verb

British English

  • [No standard verb form]

American English

  • [No standard verb form]

adverb

British English

  • [No standard adverb form]

American English

  • [No standard adverb form]

adjective

British English

  • The barbiturate coma was medically induced.
  • Barbiturate addiction was a serious problem.

American English

  • They found evidence of barbiturate use.
  • Barbiturate poisoning was the cause of death.

Examples

By CEFR Level

A2
  • [Level too low for this technical word]
B1
  • [Level too low for this technical word]
B2
  • This old medicine cabinet contained some dangerous barbiturates.
  • Barbiturates are not prescribed often today because they are so addictive.
C1
  • The coroner's report indicated a lethal combination of alcohol and barbiturates.
  • Modern anxiolytics have largely superseded barbiturates due to their safer therapeutic index.
  • Her research focused on the cultural history of barbiturate use in post-war America.

Learning

Memory Aids

Mnemonic

Think: 'BARBIE took a sedate route' – but it was a dangerous *barbiturate*.

Conceptual Metaphor

A chemical shackle / A dated solution / A dangerous comfort.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Не переводить как «барбитурат» в общебытовом контексте, это калька. В описательном тексте лучше «снотворное/седативное средство (класса барбитуратов)».
  • Не смешивать с «барбитурой» (Barbie doll).

Common Mistakes

  • Misspelling as 'barbituate' (missing 'r').
  • Using it as a general term for any sedative (it is a specific, now-uncommon class).
  • Incorrect plural: 'barbiturates' is standard for the class or multiple types/doses.

Practice

Quiz

Fill in the gap
In a forensic investigation, the toxicology screen revealed a high level of in the victim's bloodstream.
Multiple Choice

In which field is the term 'barbiturate' MOST likely to be used accurately today?

FAQ

Frequently Asked Questions

Some barbiturates were used as sleeping pills, but not all sleeping pills are barbiturates. 'Barbiturate' refers to a specific chemical class largely replaced by safer drugs like benzodiazepines and Z-drugs.

They have a narrow therapeutic index (the difference between a effective dose and a lethal dose is small), are highly addictive, and combine dangerously with alcohol and other depressants, leading to respiratory failure.

Yes, but very rarely. Some specific barbiturates like phenobarbital are still used for certain types of epilepsy, and thiopental is sometimes used in anesthesia or assisted dying in some jurisdictions.

Pentobarbital (often known by the brand name Nembutal) is one of the most well-known, along with secobarbital (Seconal). Their misuse was linked to many celebrity deaths in the 20th century.

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