Self-lapping
adj ·Rare ·Advanced level
Definitions
- 1 Of a valve, especially for brakes, maintaining the force of pressure selected by a control. not-comparable
"[...] Mr. Grierson remarks that on the L.P.T.B. tube stock in general the electro-pneumatic brake is in use, but that the new 1938 stock is fitted with the self-lapping electro-pneumatic brake, which is under the control of an automatic mercury-operated retardation controller when normal service stops are being made."
Example
More examples"[...] Mr. Grierson remarks that on the L.P.T.B. tube stock in general the electro-pneumatic brake is in use, but that the new 1938 stock is fitted with the self-lapping electro-pneumatic brake, which is under the control of an automatic mercury-operated retardation controller when normal service stops are being made."
Etymology
From self- + lapping.
More for "self-lapping"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.