Rear admirals have one star on the strap of the epaulette, vice admirals two stars, and admirals three stars.
EPEE, Fr. a sword.
EPERON, Fr. a spur.
EPICYCLOID, a curve formed by the revolution of the periphery of a circle along the convex or concave part of another circle.
EPIGNARE, Fr. a small piece of ordnance which does not exceed one pound in calibre.
EPREUVE, Fr. See [Proof].
EPROUVETTE, is a machine to prove the strength of gunpowder. There are different sorts of eprouvettes, according to the fancy of different nations who use them. Some raise a weight, and others throw a shot, to certain heights and distances.
EPTAGON. See [Heptagon].
EQUANGULAR, having equal angles.
EQUATION, an expression of the same quantity in two dissimilar terms, but of equal value. See [Algebra].