M'-NAUGHT
M'-Naught" (mak*nalt"), v. t. (Steam Engines)

Defn: 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.

MNEMONIC; MNEMONICAL
Mne*mon"ic, Mne*mon"ic*al, a. Etym: [Gr. mind.]

Defn: Assisting in memory.

MNEMONICIAN
Mne`mo*ni"cian, n.

Defn: One who instructs in the art of improving or using the memory.

MNEMONICS
Mne*mon"ics, n. Etym: [Gr. mnémonique.]

Defn: The art of memory; a system of precepts and rules intended to assist the memory; artificial memory.

MNEMOSYNE
Mne*mos"y*ne, n. Etym: [L., fr. Gr. Mnemonic.] (Class Myth.)

Defn: The goddess of memory and the mother of the Muses.