'M'-Naught' definitions:

Definition of 'M'-Naught'

From: GCIDE
  • M'-Naught \M'-Naught"\ (mak*n[add]t"), v. t. (Steam Engines) To increase the power of (a single-cylinder beam engine) by adding a small high-pressure cylinder with a piston acting on the beam between the center and the flywheel end, using high-pressure steam and working as a compound engine, -- a plan introduced by M'Naught, a Scottish engineer, in 1845. [Webster 1913 Suppl.] Mnemonic