tear gas

C1
UK/ˈtɪə ˌɡæs/US/ˈtɪr ˌɡæs/

Formal, News, Law Enforcement

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Definition

Meaning

A chemical agent that causes severe eye, skin, and respiratory irritation, used to disperse crowds.

To denote the act of using such an agent, or figuratively, any situation causing overwhelming distress or confusion.

Linguistics

Semantic Notes

Primarily a non-count noun ('use tear gas'). The verb form ('to tear-gas') is common in active contexts. 'Tear' in this compound is pronounced as the noun for a drop from the eye, not the verb 'to tear' (to rip).

Dialectal Variation

British vs American Usage

Differences

Spelling: 'tear gas' (both) and 'tear-gas' (hyphenated, especially as verb/adjective) are common. No significant lexical difference.

Connotations

Associated with riot control, civil unrest, and human rights discussions in both varieties.

Frequency

Comparably frequent due to global news coverage of protests.

Vocabulary

Collocations

strong
deploy tear gasuse tear gasfire tear gastear gas canistertear gas grenade
medium
disperse with tear gasexposed to tear gascloud of tear gaseffects of tear gas
weak
heavy tear gaspolice tear gasprotect against tear gas

Grammar

Valency Patterns

The police [VERB: used/deployed/fired] tear gas [PREP: on/at/against] the protesters.The protesters were [VERB: hit with/subjected to] tear gas.

Vocabulary

Synonyms

Strong

lachrymator (technical)

Neutral

CS gasriot control agentlachrymatory agent

Weak

chemical irritant

Vocabulary

Antonyms

fresh airclear airnon-irritant

Phrases

Idioms & Phrases

  • No common idioms. The term itself is often used metaphorically: 'The meeting was a tear gas of accusations.'

Usage

Context Usage

Business

Rare, except in CSR reports on supply chains for security equipment.

Academic

Common in political science, sociology, and law journals discussing protest policing and human rights.

Everyday

Almost exclusively in news reports about demonstrations and civil unrest.

Technical

Used in military, police, and chemical safety contexts with precise specifications (e.g., 'CN tear gas', 'CR gas').

Examples

By Part of Speech

verb

British English

  • Authorities may tear-gas demonstrators if the situation escalates.
  • The crowd was tear-gassed without warning.

American English

  • Police tear-gassed the protesters to clear the square.
  • They threatened to tear-gas anyone who refused to leave.

adverb

British English

  • Not typically used as an adverb.

American English

  • Not typically used as an adverb.

adjective

British English

  • They recovered several tear-gas canisters after the rally.
  • The report criticised the tear-gas deployment.

American English

  • Tear gas grenades were launched into the crowd.
  • He suffered a tear gas injury to his lungs.

Examples

By CEFR Level

A2
  • The news showed police using tear gas.
B1
  • Tear gas was used to control the large protest.
B2
  • Despite the deployment of tear gas, the demonstrators held their ground.
C1
  • Human rights groups have condemned the indiscriminate use of tear gas in urban environments, citing its potential for causing severe injury.

Learning

Memory Aids

Mnemonic

Think: 'TEAR' (crying) + 'GAS' = a gas that makes you tear up.

Conceptual Metaphor

CONFLICT IS CHEMICAL WARFARE (e.g., 'The debate turned toxic.')

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Avoid confusing 'tear gas' with 'poison gas' or 'nerve gas' (боевой отравляющее вещество). The Russian equivalent 'слезоточивый газ' is accurate.

Common Mistakes

  • Mispronouncing 'tear' as /tɛər/ (to rip).
  • Writing as one word: 'teargas'.
  • Using as a countable noun: 'a tear gas' (incorrect).

Practice

Quiz

Fill in the gap
The police decided to tear gas when the crowd became unruly.
Multiple Choice

What is the primary purpose of tear gas?

FAQ

Frequently Asked Questions

It is most commonly written as two separate words ('tear gas'), though the hyphenated form ('tear-gas') is also correct, especially when used as a verb or adjective.

While classified as a non-lethal or less-lethal agent, tear gas can cause serious injury or death, particularly in enclosed spaces, for people with pre-existing respiratory conditions, or from projectile canisters.

Move to fresh air immediately, avoid rubbing your eyes, flush eyes and skin with copious amounts of cool water, and remove contaminated clothing.

'Tear gas' is a general term. 'CS gas' (2-chlorobenzalmalononitrile) is one specific chemical compound commonly used as tear gas. Other types include CN and CR gas.

Explore

Related Words

tear gas - meaning, definition & pronunciation - English Dictionary | Lingvocore