Home › Words › B › backlayeringbacklayeringbacklayering means the movement of smoke or a hot gas against the direction of the ventilation flow.EtymologyFrom back + layering.nounThe movement of smoke or a hot gas against the direction of the ventilation flow.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.backflowing 59% match — Flowing backwards. vs backlayering →backflow 58% match — The flow of a fluid (through a pipe etc.) in a direction opposite to that which is normal or intended. vs backlayering →counterflow 58% match — A flow in the opposite direction; or the flow of two fluids in opposite directions vs backlayering →counterflowing 57% match — flowing in an opposite direction vs backlayering →backflash 54% match — The hazardous situation where the flame propagates backward down the hose of an oxyfuel welding and cutting system. vs backlayering →downflowing 54% match — flowing downward vs backlayering →drainback 54% match — Draining backward, or into an earlier stage of a system. vs backlayering →downflow 54% match — A downward flow. vs backlayering →