chord line

хорда профілю

deployment line; line of deployment (LD); line of departure

chord of the trajectory

space-chord ratio (of turbomachine cascade)

reference chord

reference chord of an aerofoil

standard mean chord

chord-wise aerodynamic force

external chord of a concavе-convex or flat-convex profile

first mean chord

flap reference chord

internal chord of а bi-convex profile

mean aerodynamic chord

mean geometric chord

pressure distribution curve along the chord of an aerofoil section

propeller blade chord

second mean chord

mean aerodynamic chord (MAC)

extended-chord elevon

observer-target line (OT line)

scheme trail line (tag line)

armistice demarcation line

beyond line-of-sight (BLOS)

bulk distribution line

cease-fire line (CFL)

combat outpost line

confrontation line

contamination control line

contour line (contour)