boiler breathing
41puff — puff1 [pʌf] v [: Old English; Origin: pyffan, from the sound] 1.) to breathe quickly and with difficulty after the effort of running, carrying something heavy etc ▪ George puffed and panted and he tried to keep up. puff along/up etc ▪ An old man… …
42puff — [[t]pʌ̱f[/t]] puffs, puffing, puffed 1) VERB If someone puffs at a cigarette, cigar, or pipe, they smoke it. [V at/on n] He lit a cigar and puffed at it twice... [V at/on n] He nodded and puffed on a stubby pipe as he listened. [Also V n, V] …
43water — n. & v. n. 1 a colourless transparent odourless tasteless liquid compound of oxygen and hydrogen. Usage: Chem. formula: H2O 2 a liquid consisting chiefly of this and found in seas, lakes, and rivers, in rain, and in secretions of organisms. 3 an… …
