Search Result for "greenhouse gas":
Wordnet 3.0

NOUN (1)

1. a gas that contributes to the greenhouse effect by absorbing infrared radiation;
[syn: greenhouse gas, greenhouse emission]



WordNet (r) 3.0 (2006):

greenhouse gas
    n 1: a gas that contributes to the greenhouse effect by
         absorbing infrared radiation [syn: greenhouse gas,
         greenhouse emission]