M.p.

Malic acid is a crystalline white solid (m.p. 100°C) and is highly soluble in water.

Source: wiktionary

ONLY two M.P.s among the early arrivals sported the traditional silk topper when the Commons resumed yesterday after the Easter recess to hear Mr. R. A. Butler, Chancellor of the Exchequer, open his second Budget. The “be-toppered” members were Sir William Darling (C., South Edinburgh) and Mr. Gerald Nabarro (C., Kidderminster).

Source: wiktionary

“If M.P.s,” declared the new political commentatrix, “can’t find anything else except Debbery for question time, then the nation is in a bad way.”

Source: wiktionary

So complex was the scheme that neither blacks nor whites could say for certain who had won. "A dog's breakfast," cried Laborite M.P. James Callaghan. "I say frankly that I do not begin to understand it."

Source: wiktionary