galling

Etymology

From gall + -ing. The adjective follows from the verb.

adj

1. Vexing, humiliating; eliciting indignation or bitterness.
   Uruguay were quick to the ball, strong in the tackle and seemed intent on showing they were a better team than had been apparent in their defeat to Costa Rica. Yet the most galling part for England is that they helped them on their way. 20 June 2014, Daniel Taylor, “World Cup 2014: Uruguay sink England as Suárez makes his mark”, in guardian.co.uk

noun

1. Material transfer caused by adhesion between sliding surfaces, potentially resulting in wear or binding.
   If, however, the input crank on the standby rudder actuator is not free to rotate with respect to the actuator housing because of galling between the shaft and bearing, the actuator housing, input crank, and control rod will act as a rigid link between the rudder and the torque tube. The inability to change the length of this link by rotation of the standby rudder actuator input crank within the actuator housing will affect the feedback mechanism between the rudder position and the MPCU input crank. This condition can result in problems ranging from high pilot control force necessary to move the rudder to uncommanded rudder deflections. 27 March 2001, National Transportation Safety Board, “1.16.3 Detail Examination and Tests of Standby Rudder Actuator Input Shaft and Bearing”, in Aircraft Accident Report: Uncontrolled Descent and Collision With Terrain, United Airlines Flight 585, Boeing 737-200, N999UA, 4 Miles South of Colorado Springs Municipal Airport, Colorado Springs, Colorado, March 3, 1991, archived from the original on 2022-05-08, page 63

verb

1. present participle and gerund of gall