nonpressure

English

Etymology

From non- +‎ pressure.

Adjective

nonpressure (not comparable)

1. Not involving or relating to pressure.
   • 1991, Fluid Fertilizer Science and Technology, Palgrave, page 252:

     The decision to use pressure or nonpressure storage tanks depends on the type of material to be stored and the method of loading and unloading the storage vessel.