Compressor bleed air
Air that is tapped off from a turbine engine compressor. Compressor bleed air is used for anti-icing the inlet ducts and for cooling the turbine inlet guide vanes and first stage turbine blades. Bleed air is also used for certain airframe functions. See customer bleed air.
Aviation Maintenance Technician Handbook — Powerplant, p. G-7
Taught in PP-K Concepts.