EQUIVALENT n.
A combining unit, whether an atom, a radical, or a molecule; as, in acid salt two or more equivalents of acid unite with one or more equivalents of base. Mechanical equivalent of heat (Physics), the number of units of work which the unit of heat can perform; the mechanical energy which must be expended to raise the tem…
ETHER n.
. Complex ether, Mixed ether (Chem.), an oxide of two different radicals in the same molecule; as, ethyl methyl ether, C2H5.O.CH3. -- Compound ether (Chem.), an ethereal salt or a salt of some hydrocarbon as the base; an ester. -- Ether engine (Mach.), a condensing engine like a steam engine, but operated by the vapo…
EUPHORBIA n.
rge, or bastard spurge, a genus of plants of many species, mostly shrubby, herbaceous succulents, affording an acrid, milky juice. Some of them are armed with thorns. Most of them yield powerful emetic and cathartic products.
EXORBITANCE; EXORBITANCY n.
of or beyond the usual or due limit; hence, enormity; extravagance; gross deviation from rule, right, or propriety; as, the exorbitances of the tongue or of deportment; exorbitance of demands. "a curb to your exorbitancies." Dryden. The lamentable exorbitances of their superstitions. Bp. Hall.