Hypertext Webster Gateway: "electroscope"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cinematograph \Cin`e*mat"o*graph\, n. [Gr. ?, ?, motion +
-graph.]
1. A machine, combining magic lantern and kinetoscope
features, for projecting on a screen a series of pictures,
moved rapidly (25 to 50 a second) and intermittently
before an objective lens, and producing by persistence of
vision the illusion of continuous motion; a moving-picture
machine; also, any of several other machines or devices
producing moving pictorial effects. Other common names for
the cinematograph are {animatograph}, {biograph},
{bioscope}, {electrograph}, {electroscope},
{kinematograph}, {kinetoscope}, {veriscope}, {vitagraph},
{vitascope}, {zo["o]gyroscope}, {zo["o]praxiscope}, etc.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Electroscope \E*lec"tro*scope\, n. [Electro- + -scope: cf. F.
['e]lectroscope.] (Physics)
An instrument for detecting the presence of electricity, or
changes in the electric state of bodies, or the species of
electricity present, as by means of pith balls, and the like.
{Condensing electroscope} (Physics), a form of electroscope
in which an increase of sensibility is obtained by the use
of a condenser.
From WordNet (r) 1.7 (wn)
electroscope
n : measuring instrument that detects electric charge; two gold
leaves diverge owing to repulsion of charges with like
sign
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