methane

[ˈmeθeɪn]
nounmasculinepl: methanes
metano
1. A colorless, odorless flammable gas that is the main constituent of natural gas, with the chemical formula CH₄
Methane is produced by decomposing organic matter in wetlands and landfills.
Metano é produzido pela decomposição de matéria orgânica em pântanos e aterros sanitários.
2. A greenhouse gas that contributes significantly to climate change
The concentration of methane in the atmosphere has been increasing for decades.
A concentração de metano na atmosfera tem aumentado há décadas.
3. A hydrocarbon compound used as fuel and in chemical synthesis
Natural gas pipelines transport methane to residential and industrial consumers.
Os dutos de gás natural transportam metano para consumidores residenciais e industriais.
In Brazil, methane discussion has become increasingly prominent due to concerns about cattle ranching emissions and deforestation in the Amazon. In the USA, methane regulation and reduction are key components of climate policy debates. The term is used identically in scientific communities across Portuguese and English-speaking countries.
Synonyms / Sinônimos
marsh gasCH₄natural gas (colloquial)

Regional Variations

General Brazilian Portuguese
metano
Standard term used in scientific, environmental, and industrial contexts
São Paulo
metano
Used consistently in business and energy sector discussions
Portugal
metano
Same as Brazilian Portuguese; standard scientific terminology
USA
methane
Commonly discussed in context of environmental policy and energy

Related Words

natural gasgreenhouse gashydrocarboncarbon dioxideclimate changefossil fuelbiogas

Related Idioms & Phrases

methane emissions
reduce methane footprint
methane sources
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