boiler

[/ˈbɔɪlər/]
nounmasculinepl: boilers
caldeira
1. A closed vessel in which water or other liquid is heated, typically to generate steam for heating or power
The boiler in the basement heats the entire house.
A caldeira no porão aquece toda a casa.
2. A large pot or tank used for boiling water or other liquids
She filled the boiler with water to make pasta.
Ela encheu a caldeira de água para fazer macarrão.
3. In finance, a fraudulent operation or scheme that operates from a boiler room
The FBI shut down the boiler operation selling fake stocks.
O FBI fechou a operação de fraude que vendia ações falsas.
4. A person or thing that boils
This kettle is an excellent boiler.
Esta chaleira é uma excelente caldeira.
In both US and Brazilian contexts, 'boiler' refers primarily to heating systems in residential buildings. In the USA, boiler maintenance is a common home concern. The term 'boiler room' has become synonymous with fraudulent stock-selling operations, particularly referenced in American crime and finance contexts. In Brazil, 'caldeira' is also used metaphorically to describe intense, chaotic situations.
NYC Slang
boiler room (fraud operation); also 'boiler' for an unreliable car or person who causes trouble
Synonyms / Sinônimos
furnaceheaterkettlecauldronwater heater
Antonyms / Antônimos
coolerrefrigeratorfreezer

Regional Variations

General Brazilian
caldeira
Standard term for heating boiler or large cooking pot
Brazil - Industrial
caldeira
Used in technical and industrial contexts
São Paulo
caldeira
Common in construction and HVAC industries
Portugal
caldeira
Same as Brazilian Portuguese; also used for volcanic crater (metaphorical)

Related Words

steamheating systempressure vesselcombustionradiatorthermostat

Related Idioms & Phrases

boiler room (fraudulent telemarketing operation)
under pressure like a boiler
boil down to (summarize)
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