Definition of Boilir
Boil"er (&?;), n. 1. One
who boils.
2. A vessel in which any thing is boiled.
&fist; The word boiler is a generic term covering a great variety
of kettles, saucepans, clothes boilers, evaporators, coppers, retorts,
etc.
3. (Mech.) A strong metallic vessel, usually
of wrought iron plates riveted together, or a composite structure variously
formed, in which steam is generated for driving engines, or for heating,
cooking, or other purposes.
&fist; The earliest steam boilers were usually spheres or sections of
spheres, heated wholly from the outside. Watt used the wagon boiler
(shaped like the top of a covered wagon) which is still used with low
pressures. Most of the boilers in present use may be classified as plain
cylinder boilers, flue boilers, sectional and
tubular boilers.
Barrel of a boiler, the cylindrical part
containing the flues. -- Boiler plate,
Boiler iron, plate or rolled iron of about a quarter
to a half inch in thickness, used for making boilers and tanks, for
covering ships, etc. -- Cylinder boiler, one
which consists of a single iron cylinder. -- Flue
boilers are usually single shells containing a small number
of large flues, through which the heat either passes from the fire or
returns to the chimney, and sometimes containing a fire box inclosed by
water. -- Locomotive boiler, a boiler which
contains an inclosed fire box and a large number of small flues leading to
the chimney. -- Multiflue boiler. Same as
Tubular boiler, below. -- Sectional boiler,
a boiler composed of a number of sections, which are usually of small
capacity and similar to, and connected with, each other. By multiplication
of the sections a boiler of any desired capacity can be built up. --
Tubular boiler, a boiler containing tubes which form
flues, and are surrounded by the water contained in the boiler. See
Illust. of Steam boiler, under Steam. --
Tubulous boiler. See under Tubulous. See
Tube, n., 6, and 1st Flue.
Boil"er, n. A sunken reef; esp., a
coral reef on which the sea breaks heavily.
Boil"er, n. A sunken reef; esp., a
coral reef on which the sea breaks heavily.
- Webster's Unabridged Dictionary (1913)
- a closed vessel in which water is heated to produce steam (for heating or power), or to produce domestic hot water
- a kitchen vessel for steaming or boiling food
- The Nuttall Encyclopedia
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