Definition of gas cloud in English:

gas cloud

noun

  • 1Astronomy. A mass of gaseous material in space; specifically one from which a planet, solar system, or other celestial object is formed.

  • 2A coherent mass of (especially harmful) gas or gaseous material released into the air, e.g. from a volcano, leaking gas pipe, etc.; especially a mass of poison gas released in a gas attack.

Origin

Late 19th century. From gas + cloud.

Pronunciation

gas cloud

/ˈɡas ˌklaʊd/