eposculationt (epos kulas hon)

[ eprouvette prove.] 1. An apparatus for testing the explosive force of powders or other explosives. The most simple form is a pistol having the muzzle closed by a plate, which is maintained in position by a spring. When the pistol is fired, the tension of the spring is over come and the plate is blown back, turning a ratchet-wheel which registers the force of the explosion. short mortar. 2. A spoon used in a aying metals.-3. A epruinose (ē-prö'i-nos), a. [ epruino sus , pruina , frost: see pruinose .] In bot . , not pruinose.