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.
Sulphate, Sulphates, 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 seamor 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.