Found 1 items, similar to lamp jack.
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Definition: Lamp jack
(l[a^]mp), n. [F. lampe, L. lampas, -adis, fr. Gr.
?, ?, torch, fr. ? to give light, to shine. Cf. Lampad
1. A light-producing vessel, device, instrument or apparatus;
formerly referring especially to a vessel with a wick used
for the combustion of oil or other inflammable liquid, for
the purpose of producing artificial light; also, a similar
device using a gas as the combustible fuel; now referring
mainly to an electric lamp. See sense .
[1913 Webster +PJC]
2. Figuratively, anything which enlightens intellectually or
morally; anything regarded metaphorically a performing the
uses of a lamp.
Thy word is a lamp unto my feet, and a light unto my
path. --Ps. cxix.
Ages elapsed ere Homer's lamp appeared. --Cowper.
3. (Elec.) A device or mechanism for producing light by
electricity, usually having a glass bulb or tube
containing the light-emitting element. Most lamps belong
to one of two categories, the Incandescent lamp
) or the fluorescent lamp
see also arc lamp
[1913 Webster +PJC]
4. A device that emits radiant energy in the form of heat,
infrared, or ultraviolet rays; as, a heat lamp.
, a hollow ball of copper containing
alcohol which is converted into vapor by a lamp beneath,
so as to make a powerful blowpipe flame when the vapor is
(Elec.), a form of lamp in which the voltaic arc
is used as the source of light.
, an apparatus for the instantaneous
production of a flame by the spontaneous ignition of a jet
of hydrogen on being led over platinum sponge; -- named
after the German chemist D["o]bereiner, who invented it.
Called also philosopher's lamp
, an aphlogistic lamp.
, the part of a lamp where the wick is exposed
and ignited. --Knight.
, a reservoir for oil, in a lamp.
. See 2d Jack
, n., 4
, a screen, as of paper, glass, or tin, for
softening or obstructing the light of a lamp.
(Zo["o]l.), any brachiopod shell of the genus
and allied genera. The name refers to the
shape, which is like that of an antique lamp. See
, a miner's lamp in which the flame is
surrounded by fine wire gauze, preventing the kindling of
dangerous explosive gases; -- called also, from Sir
Humphry Davy the inventor, Davy lamp
To smell of the lamp
, to bear marks of great study and
labor, as a literary composition.