methane
/'meθein/
Definition
- Noun:
- A colorless, odorless, flammable gas: Methane is a simple hydrocarbon compound (CH₄) that occurs naturally and is used primarily as a fuel source.
Usage
- Methane is the primary component of natural gas.
- It is a potent greenhouse gas released from sources like wetlands, livestock, and landfills.
- In industrial and domestic settings, methane is burned to produce heat and electricity.
Examples
- Noun:
- The landfill site produces a significant amount of methane.
- Methane is a cleaner-burning fuel compared to coal.
- Scientists are studying methane emissions from melting permafrost.
Advanced Usage
- "Methane clathrate": Also known as methane hydrate, this is a solid form where methane is trapped within a crystal structure of water, found in ocean sediments and permafrost.
- Methane clathrates represent a vast potential energy resource.
Variants and Related Words
- Methanogenesis (n): The biological production of methane by microorganisms known as methanogens.
- Methanogenesis is a key process in anaerobic environments like the digestive systems of ruminants.
- Methanogen (n): A microorganism that produces methane.
- Methanogens are archaea found in swamps and the guts of animals.
Synonyms
- Natural gas (when referring to the primary component): While natural gas is a mixture, methane is its chief constituent.
- Marsh gas: A historical term for methane produced in wetlands.
Related Phrases
- "Methane leak": An unintended release of methane gas, often from pipelines or drilling operations.
- The company was fined for a major methane leak.
- "Methane cycle": The biogeochemical cycle describing the movement of methane through Earth's systems.
- Understanding the methane cycle is crucial for climate models.
Noun
-
a colorless odorless gas used as a fuel
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