chloroform: meaning, definition, pronunciation and examples

C1
UK/ˈklɒrəfɔːm/US/ˈklɔːrəfɔːrm/

Technical/Historical

My Flashcards

Quick answer

What does “chloroform” mean?

A colourless, volatile, sweet-smelling liquid, chemical formula CHCl₃, used primarily as an anaesthetic agent, especially historically.

Audio

Pronunciation

Definition

Meaning and Definition

A colourless, volatile, sweet-smelling liquid, chemical formula CHCl₃, used primarily as an anaesthetic agent, especially historically.

A chemical compound used as a solvent, reagent in chemical synthesis, and historically as a general anaesthetic for medical procedures.

Dialectal Variation

British vs American Usage

Differences

No significant spelling or meaning differences. Usage differences pertain more to historical context and legal restrictions.

Connotations

In both varieties, it carries strong historical/period connotations (19th/early 20th century medicine). Can evoke associations with crime fiction (used to render someone unconscious).

Frequency

Equally low-frequency in modern general English. More common in historical, medical, and forensic contexts.

Grammar

How to Use “chloroform” in a Sentence

to chloroform someoneto be chloroformed

Vocabulary

Collocations

strong
administer chloroforminhale chloroformbottle of chloroformunder chloroform
medium
exposure to chloroformvapours of chloroformchloroform anaesthesiadrop of chloroform
weak
chloroform poisoningchloroform extractionimpure chloroformchloroform sedative

Examples

Examples of “chloroform” in a Sentence

verb

British English

  • The villain attempted to chloroform the detective with a soaked cloth.
  • In Victorian surgery, they would chloroform the patient before amputation.

American English

  • The kidnapper planned to chloroform the witness to avoid identification.
  • Historical records show they chloroformed elephants for dental work.

Usage

Meaning in Context

Business

Rare; potentially in chemical industry reports.

Academic

Common in history of medicine, chemistry textbooks, forensic science papers.

Everyday

Very rare; might appear in historical novels or crime dramas.

Technical

Common in chemistry (as a solvent/reagent), history of anaesthesia, toxicology.

Vocabulary

Synonyms of “chloroform”

Weak

sedativeknockout agent

Vocabulary

Antonyms of “chloroform”

stimulantawakening agent

Watch out

Common Mistakes When Using “chloroform”

  • Incorrect spelling: *chloroforme, *cloroform.
  • Using as a common synonym for any modern anaesthetic.

FAQ

Frequently Asked Questions

No, its use as a human anaesthetic was largely abandoned in the mid-20th century due to its toxicity and the development of safer alternatives.

No, this is a cinematic myth. In reality, it takes several minutes of inhaling the vapour for a person to lose consciousness.

Its primary modern use is as a solvent and reagent in chemical synthesis and laboratories.

The sweet, somewhat ethereal odour is an intrinsic property of the volatile CHCl₃ molecule.

A colourless, volatile, sweet-smelling liquid, chemical formula CHCl₃, used primarily as an anaesthetic agent, especially historically.

Chloroform is usually technical/historical in register.

Chloroform: in British English it is pronounced /ˈklɒrəfɔːm/, and in American English it is pronounced /ˈklɔːrəfɔːrm/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • under chloroform

Learning

Memory Aids

Mnemonic

Think of 'CHLORO' (green, from chlorophyll) + 'FORM' (shape) – but it's colourless. Remember: 'Chloroform' CHLOROs the FORM of consciousness (takes it away).

Conceptual Metaphor

CHLOROFORM IS A VEIL (it obscures consciousness).

Practice

Quiz

Fill in the gap
Before modern anaesthetics were developed, surgeons would often their patients to induce unconsciousness.
Multiple Choice

In which field is chloroform still technically used today?