Found 2 items, similar to mineral wool.
English → English
Definition: mineral wool
n : a light fibrous material used as an insulator [syn: rock wool
English → English
Definition: Mineral wool
1. Of or pertaining to minerals; consisting of a mineral or
of minerals; as, a mineral substance.
2. Impregnated with minerals; as, mineral waters.
(Chem.), inorganic acids, as sulphuric,
nitric, phosphoric, hydrochloric, acids, etc., as
distinguished from the organic acids
, the name usually given to azurite, when
reduced to an impalpable powder for coloring purposes.
, a candle made of paraffin.
, an elastic mineral pitch, a variety of
bitumen, resembling caoutchouc in elasticity and softness.
, and Elaterite
(Chem.) See Chameleon mineral
. See under Charcoal
. See Mineral wool
, a green carbonate of copper; malachite.
(Nat. Sci.), that one of the three grand
divisions of nature which embraces all inorganic objects,
as distinguished from plants or animals.
. See Naphtha
, and Petroleum
, a pigment made chiefly of some natural
mineral substance, as red or yellow iron ocher.
. See Bitumen
, and Asphalt
, the right of taking minerals from land.
(Chem.), a salt of a mineral acid.
, a familiar name for hatchettite
, from its
fatty or spermaceti-like appearance.
. See under Water
. See Ozocerite
, a fibrous wool-like material, made by blowing
a powerful jet of air or steam through melted slag. It is
a poor conductor of heat.
(w[oo^]l), n. [OE. wolle, wulle, AS. wull; akin to
D. wol, OHG. wolla, G. wolle, Icel. & Sw. ull, Dan. uld,
Goth, wulla, Lith. vilna, Russ. volna, L. vellus, Skr.
[=u]r[.n][=a] wool, v[.r] to cover. [root]146, 287. Cf.
1. The soft and curled, or crisped, species of hair which
grows on sheep and some other animals, and which in
fineness sometimes approaches to fur; -- chiefly applied
to the fleecy coat of the sheep, which constitutes a most
essential material of clothing in all cold and temperate
Note: Wool consists essentially of keratin.
2. Short, thick hair, especially when crisped or curled.
Wool of bat and tongue of dog. --Shak.
3. (Bot.) A sort of pubescence, or a clothing of dense,
curling hairs on the surface of certain plants.
Dead pulled wool
, wool pulled from a carcass.
. See under Mineral
. (Chem.) See Zinc oxide
, under Zinc
, wool pulled from a pelt, or undressed hide.
. Same as Mineral wool
, under Mineral
, a ball or mass of wool.
, one who removes little burs, knots, or
extraneous matter, from wool, or the surface of woolen
(a) One whose occupation is to comb wool.
(b) A machine for combing wool.
(Bot.), a kind of bulrush (Scirpus Eriophorum
with numerous clustered woolly spikes.
. See Woolen scribbler
, under Woolen
Wool sorter's disease
(Med.), a disease, resembling
malignant pustule, occurring among those who handle the
wool of goats and sheep.
, a city or town where wool used to be brought
to the king's staple for sale. [Eng.]
(a) One who deals in wool.
(b) One who sorts wool according to its staple, or its
adaptation to different manufacturing purposes.
, a person employed to wind, or make up, wool
into bundles to be packed for sale.