Exhaust
Exhaust
Heptathlon
The word <b>exhaust</b> can mean:- <ul> <li>A verb meaning "tire out", as in "After the long gallop, his horse was exhausted." <li>A verb meaning "use up, consume", as in "That area's copper ore deposits are nearly exhausted". <li>A noun meaning "waste gases produced by an <a href="Internal combustion engine">Internal combustion engine</a>" (see <a href="Exhaust gas">Exhaust gas</a>), or "the pipework that those waste gases are discharged through". <li>A noun meaning "waste low-pressure steam emitted by a steam engine". <li>Sometimes, the pipe in a <a href="Scuba set">breathing apparatus</a> that its user breathes out through. <li>The backblast produced by a <a href="Jet">Jet</a> engine or a <a href="Rocket">Rocket</a>. </ul><ul><li><a href="Exhaust (band)">Exhaust</a> is a <a href="Montreal">Montreal</a>-based band. </ul><p>The word comes from the Latin <i>exhaustus</i> meaning "drained dry, emptied", from the verb <i>exhauri&#333;</i>.