greenhouse gases

/G R IY1 N HH AW0 S G AE0 S AH0 Z/
noun
  1. 1

    Any gas, such as carbon dioxide or CFCs, that contributes to the greenhouse effect when released into the atmosphere.

    โ€œOnly two greenhouse gases get much attention.โ€

Source: https://en.wiktionary.org/wiki/greenhouse%20gas, https://en.wiktionary.org/wiki/greenhouse%20gases