schistifying

Verb

schistify (third-person singular simple present schistifies, present participle schistifying, simple past and past participle schistified)

1. To develop or cause to develop into schist.
   • If the desired proportions are not attained naturally, the formation and deposition of coaldust may occasionally be considerably lessened by the adoption of simple precautions, such as: watering at the face, so as to lessen the dust deposits in the return airways; washing the tubs, and using sound...1910, J. Taffanel, Abstract of the Reports on the French Coaldust Experiments