SILICOFLUORIC a.
Containing, or composed of, silicon and fluorine; especially, denoting the compounds called silicofluorides. Silicofluoric acid (Chem.), a compound of hydrofluoric acid and silicon fluoride, known only in watery solution. It is produced by the action of silicon fluoride on water, and is regarded as an acid, H2SiF6, and…
SILICON n.
morphous powder, or as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to oxygen, the most abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic worl…
SILK n. 3 definitions
That which resembles silk, as the filiform styles of the female flower of maize. Raw silk, silk as it is wound off from the cocoons, and before it is manufactured. -- Silk cotton, a cottony substance enveloping the seeds of the silk-cotton tree. -- Silk-cotton tree (Bot.), a name for several tropical trees of the gen…