witness mark
Definitions
A scratch or similar mark on each portion of an assembly used to determine the previous position or location of its parts.
Examples
“During the examination, the bearing was reassembled into the actuator body so that the fire witness marks on the actuator surface and the bearing flange matched and the bearing was situated as close⟳ as possible to the actuator's housing surface. In this position, it was noted that an additional 30-degree rotation was required in order⟳ for the bearing flange to mate against the actuator boss.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See also
Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free