Blow off

She blew the dust off the cookbook, revealing its full title.

In order to deal with deposits of soot on boiler-tubes while running, especially if poor coal is in use, locomotives are often now provided with blowers on the firebox back-plate which can be made to discharge a jet of high pressure steam towards the firebox tubeplates; this has the effect of loosening and blowing off the soot deposits.

A noteworthy engineering feature on this line was the Owencarrow Viaduct, situated in one of the most windswept portions of the line. On January 30, 1925, a train was blown off the viaduct during a gale, and thereafter trains were prohibited from crossing when the wind exceeded a certain velocity.

The radioactivity was released when they blew off steam from the containment vessel.

The engine or steamer is blowing off.

From time to time in both directions the engine was blowing off, so there was no shortness of steam.

The 1 in 200 climb to Survilliers was surmounted with easy competence, the constant speed being just short of 60 m.p.h., the water level (by design) just under half a glass and the steam pressure approximately 275 lb/sq in, or near the blowing-off point.

I can't believe I blew off in church.

I decided to blow off the meeting and leave early.

We've both been blowing off Peter all day: he's really boring.