chloral hydrate: meaning, definition, pronunciation and examples

C2
UK/ˌklɔːrəl ˈhaɪdreɪt/US/ˌklɔːrəl ˈhaɪdreɪt/

Technical, historical, medical, forensic

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Quick answer

What does “chloral hydrate” mean?

A chemical compound (C2H3Cl3O2) formerly used as a sedative and hypnotic drug.

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Pronunciation

Definition

Meaning and Definition

A chemical compound (C2H3Cl3O2) formerly used as a sedative and hypnotic drug.

In contemporary use, it is primarily a chemical reagent and a controlled substance due to its history of misuse as a 'knockout drop'.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. Historical medical usage was parallel. In modern contexts (chemistry, forensics), the term is identical.

Connotations

Connotes historical medicine, toxicity, and criminal use (e.g., 'slipping someone a mickey') equally in both dialects.

Frequency

Very low frequency in general language. Slightly more likely to appear in British historical medical literature due to longer persistence in some pharmacopoeias.

Grammar

How to Use “chloral hydrate” in a Sentence

[Subject] synthesized chloral hydrate.[Subject] was poisoned with chloral hydrate.Chloral hydrate [Verb: acts as, functions as] a sedative.

Vocabulary

Collocations

strong
synthesize chloral hydrateadminister chloral hydratesolution of chloral hydrate
medium
toxic effects ofhistorical use offorensic detection of
weak
old bottle ofdangerouscrystalline

Examples

Examples of “chloral hydrate” in a Sentence

verb

British English

  • The villain was known to chloral hydrate his victims.
  • They attempted to chloral hydrate the guard.

American English

  • The suspect chloral hydrated the drink.
  • He was accused of chloral hydrating the cocktail.

adjective

British English

  • A chloral hydrate solution was found.
  • The chloral hydrate poisoning was evident.

American English

  • The chloral hydrate dose was lethal.
  • A chloral hydrate cocktail was the murder weapon.

Usage

Meaning in Context

Business

Not used.

Academic

Used in chemistry, pharmacology, history of medicine, and forensic science texts.

Everyday

Virtually never used in everyday conversation except in specific historical or true crime contexts.

Technical

Standard term in organic chemistry for the specific compound; used in forensic toxicology reports.

Vocabulary

Synonyms of “chloral hydrate”

Strong

trichloroacetaldehyde monohydrate (scientific)

Neutral

knockout drops (slang, historical)Mickey Finn (slang)

Weak

sedative (hypernym)hypnotic (hypernym)

Vocabulary

Antonyms of “chloral hydrate”

stimulantwakefulness aid

Watch out

Common Mistakes When Using “chloral hydrate”

  • Misspelling as 'chloralhydrate' (one word).
  • Incorrect pronunciation stressing 'hydrate' on the first syllable (/ˈhaɪdreɪt/ is correct).
  • Using it as a generic term for any sedative.

FAQ

Frequently Asked Questions

No, its clinical use as a hypnotic has been abandoned in most of the world due to its narrow therapeutic index, toxicity, and potential for abuse. It remains of interest in chemistry and forensics.

A 'Mickey Finn' is a slang term for a drink laced with a drug (often chloral hydrate or a similar substance) to incapacitate someone. It originated in early 20th-century American criminal slang.

No. Chloral hydrate is a controlled substance (Schedule IV in the US, Class C in the UK) due to its potential for abuse and dependence. Its manufacture, sale, and possession are strictly regulated.

Because it is a technical, Latinate compound noun where both elements ('chloral' from chlorine + alcohol, 'hydrate' from Greek 'hydor' for water) have established, consistent scholarly pronunciations that do not vary significantly between dialects.

A chemical compound (C2H3Cl3O2) formerly used as a sedative and hypnotic drug.

Chloral hydrate is usually technical, historical, medical, forensic in register.

Chloral hydrate: in British English it is pronounced /ˌklɔːrəl ˈhaɪdreɪt/, and in American English it is pronounced /ˌklɔːrəl ˈhaɪdreɪt/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • slip someone a mickey (meaning: to drug someone surreptitiously)

Learning

Memory Aids

Mnemonic

CHLORAL HYDRATE: **C**hemical **H**eavy **L**iquid **O**nce **R**endered **A**ll **L**imp – **HY**pnosis **D**elivered **R**apidly **A**nd **T**otally **E**ffective (historically).

Conceptual Metaphor

SLEEP IS A CHEMICAL FORCE / CONTROL IS A CHEMICAL.

Practice

Quiz

Fill in the gap
The antique glass bottle contained a crystalline substance later identified as .
Multiple Choice

In which field is 'chloral hydrate' most likely to be used in modern professional contexts?