'Gasification' definitions:

Definition of 'gasification'

(from WordNet)
noun
The process of changing into gas; "coal gas is produced by the gasification of coal"

Definition of 'Gasification'

From: GCIDE
  • Gasification \Gas`i*fi*ca"tion\, n. [See Gasify.] The act or process of converting into gas. [1913 Webster]