Definify.com
Webster 1913 Edition
Dome
Dome
,Noun.
[F.
dôme
, It. duomo
, fr. L. domus
a house, domus Dei
or Domini
, house of the Lord, house of God; akin to Gr. [GREEK] house, [GREEK] to build, and E. timber
. See Timber
.] 1.
A building; a house; an edifice; – used chiefly in poetry.
Approach the
dome
, the social banquet share. Pope.
2.
(Arch.)
A cupola formed on a large scale.
☞ “The Italians apply the term il duomo to the principal church of a city, and the Germans call every cathedral church Dom; and it is supposed that the word in its present English sense has crept into use from the circumstance of such buildings being frequently surmounted by a cupola.”
Am. Cyc.
3.
Any erection resembling the dome or cupola of a building; as the upper part of a furnace, the vertical steam chamber on the top of a boiler, etc.
4.
(Crystallog.)
A prism formed by planes parallel to a lateral axis which meet above in a horizontal edge, like the roof of a house; also, one of the planes of such a form.
☞ If the plane is parallel to the longer diagonal (macrodiagonal) of the prism, it is called a macrodome; if parallel to the shorter (brachydiagonal), it is a brachydome; if parallel to the inclined diagonal in a monoclinic crystal, it is called a clinodome; if parallel to the orthodiagonal axis, an orthodome.
Dana.
Webster 1828 Edition
Dome
DOME
,Noun.
1.
A building; a house; a fabric; used in poetry.2.
A cathedral.3.
In architecture, a spherical roof, raised over the middle of a building; a cupola.4.
In chemistry, the upper part of a furnace, resembling a hollow hemisphere or small dome. This form serves to reflect or reverberate a part of the flame; hence these furnaces are called reverberating furnaces.