English Reference

Word

heater

US/ˈhitɝ/

UK/hˈiːtɐ/

Definitions

01warming device

B1 · Intermediate Countable noun

n. a machine or device that makes a room or building warm.

n. an apparatus used to produce and radiate heat, typically for climate control in an indoor environment.

“It was so cold in the office that I had to turn on my small electric heater.”

“The landlord promised to repair the central heater before the first frost, but the tenants remained skeptical given his history of negligence.”

Synonyms

Antonyms

coolerair conditioner

02winning streak

C1 · Advanced Countable noun Informal · Slang

n. a period of time when you keep winning, especially in a game or gambling.

n. an extended period of success or a winning streak, particularly in the context of gambling or sports.

“He was on a real heater at the casino, winning five hands of poker in a row.”

“After three hours on a heater, the gambler decided to walk away from the table while his chips were still piled high.”

Usage

Usually used with the preposition 'on'.

Teaching tip

Common in gambling and sports commentary to describe momentum.

Synonyms

03fast pitch

C1 · Advanced Countable noun Sports American English · Slang

n. a very fast throw in baseball.

n. a fastball thrown at high velocity.

“The pitcher threw a 98-mile-per-hour heater to strike out the final batter.”

“The rookie struggled to catch up to the veteran's heater, swinging well after the ball had already crossed the plate.”

Synonyms

Antonyms

changeupcurveball

04great song

C2 · Proficiency Countable noun Music Slang · Informal

n. a song that is very energetic and exciting.

n. a powerfully energetic or exceptional musical track.

“The DJ played a total heater that got everyone on the dance floor immediately.”

“The band's new single is an absolute heater, blending heavy bass with a catchy synth melody.”

Teaching tip

This is very modern slang; it is synonymous with 'banger'.

Synonyms

05handgun

C2 · Proficiency Countable noun Archaic · Slang

n. an old-fashioned slang word for a gun.

n. a handgun or pistol.

“In the old detective movie, the gangster reached for the heater in his pocket.”

“The noir protagonist noted the bulge of a heater beneath the antagonist's tailored suit jacket.”

Teaching tip

Mainly found in mid-20th century crime fiction and film noir; not used in modern conversation.

Synonyms

Word family

Domain

Gambling

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Frequent
Level
B1 · Intermediate
Updated

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English Reference