methane

/'meθein/

Thân thiện

A scientist ignites a small stream of methane in a laboratory demonstration.

Definition

1. 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.

Học thuật

Noun

1. a colorless odorless gas used as a fuel