You can't focus on studying if you're chatting with someone else, too. So the cell phone is off limits. Turn off the home phone, too, along with the computer (unless you're prepping on it) and any music with vocals. Study music should be lyric-free! Post a sign on your door for people to stay away.
cuirass (plural cuirasses) 1  A piece of defensive armor, covering the body from the neck to the girdle. 2  The breastplate taken by itself.
[kwirasâ²] Etymology: Fr, cuirasse, breastplate. 1 also called cuirass ventilator, a negative-pressure full-body respirator. It consists of a rigid shell that conforms to the surfaces of the body from the neck to the hips. Ventilating pressure is delivered through a flexible hose attached to the top of the device.