LEYDEN JAR; LEYDEN PHIAL n.
A glass jar or bottle used to accumulate electricity. It is coated with tin foil, within and without, nearly to its top, and is surmounted by a brass knob which communicates with the inner coating, for the purpose of charging it with electricity. It is so named from having been invented in Leyden, Holland.…
MOJARRA n.
Any of certain basslike marine fishes (mostly of tropical seas, and having a deep, compressed body, protracile mouth, and large silvery scales) constituting the family Gerridæ, as Gerres plumieri, found from Florida to Brazil and used as food. Also, any of numerous other fishes of similar appearance but belonging to ot…
CARTESIAN a.
by Descartes. -- Cartesian devil, a small hollow glass figure, used in connection with a jar of water having an elastic top, to illustrate the effect of the compression or expansion of air in changing the specific gravity of bodies. -- Cartesion oval (Geom.), a curve such that, for any point of the curve mr + m'r' =…