Word Explorer
Children's
Dictionary Suite
Help
Help
Help
 
Intermediate Dictionary      
Lookup History
greenhouse gas
lame duck

greenhouse gas

 
pronunciation:
grin haUs gaes
part of speech: noun
definition: any of the gases that are sent out from a planet that are capable of trapping sunlight in the planet's atmosphere, which causes the planet as a whole to become warmer. Carbon dioxide and methane are two of these gases.