e 124.

_Spinous process_, a process or bony protuberance, resembling a spine or
thorn, whence it derives its name.

_Spool_, a piece of cane or reed, or a hollow cylinder of wood, with a
ridge at each end, used to wind yarn and thread upon.

_Stamen_, (plural _stamens_ and _stamina_,) in _weaving_, the warp, the
thread, any thing made of threads. In _botany_, that part of a flower,
on which the artificial classification is founded, consisting of the
filament or stalk, and the anther, which contains the pollen, or
fructifying powder.

_Stigma_, (plural _stigmas_ and _stigmata_,) the summit or top of the
pistil of a flower.

_Style_, or _Stile_, the part of the pistil between the germ and the
stigma.

_Sub-carbonate_, an imperfect carbonate.

_Sulphates_, _Sulphats_, _Sulphites_, salts formed by the combination of
some base with sulphuric acid, as _Sulphate of copper_, (blue vitriol,
or blue stone,) a combination of sulphuric acid with copper. _Sulphate
of iron_, copperas, or green vitriol. _Sulphate of lime_, gypsum, or
plaster of Paris. _Sulphate of magnesia_, Epsom salts. _Sulphate of
potash_, a chemical salt, composed of sulphuric acid and potash.
_Sulphate of soda_, Glauber's salts. _Sulphate of zinc_, white vitriol.

_Sulphuret_, a combination of an alkaline earth or metal with sulphur
as, _Sulphuret of iron_, a combination of iron and sulphur.

_Sulphuric acid_, oil of vitriol, vitriolic acid.

_Suture_, a sewing; the uniting of parts by stitching; the seam or joint
which unites the flat bones of the skull, which are notched like the
teeth of a saw, and the notches, being united together, present the
appearance of a seam.

_Tartar_, a substance, deposited on the inside of wine casks, consisting
chiefly of tartaric acid and potash. _Cream of tartar_, the crude tartar
separated from all its impurities, by being dissolved in water and then
crystallized, when it becomes a perfectly white powder.

_Tartaric acid_, a vegetable acid which exists in the grape.

_Technology_, a description of the arts, considered generally, in their
theory and practice, as connected with moral, political, and physical
science.

_Three great Jewish yearly festivals_, see _Festivals_.

_Three-ply_, or triple ingrain, a kind of carpeting, in which the
threads are woven in such a manner as to make three thicknesses of the
cloth.

_Tic douloureux_, a painful affection of the nerves, mostly those of the
face.

_Tocqueville