FERROCYANIDE n.
ssiate of potash; a tough, yellow, crystalline salt, K4(CN)6Fe, the starting point in the manufacture of almost all cyanogen compounds, and the basis of the ferric ferrocyanate, prussian blue. It is obtained by strongly heating together potash, scrap iron, and animal matter containing nitrogen, as horn, leather, blood,…
FIBER; FIBRE n.
A general name for the raw material, such as cotton, flax, hemp, etc., used in textile manufactures. Fiber gun, a kind of steam gun for converting, wood, straw, etc., into fiber. The material is shut up in the gun with steam, air, or gas at a very high pressure which is afterward relieved suddenly by letting a lid at t…
FINGER n.
ich the fingers press the strings to vary the tone; the keyboard of a piano, organ, etc.; manual. -- Finger bowl or glass, a bowl or glass to hold water for rinsing the fingers at table. -- Finger flower (Bot.), the foxglove. -- Finger grass (Bot.), a kind of grass (Panicum sanguinale) with slender radiating spikes;…
FORCING n.
e of artificial heat. Forcing bed or pit, a plant bed having an under layer of fermenting manure, the fermentation yielding bottom heat for forcing plants; a hotbed. -- Forcing engine, a fire engine. -- Forcing fit (Mech.), a tight fit, as of one part into a hole in another part, which makes it necessary to use consi…
FRANCISCAN a.
ciscans. Franciscan Brothers, pious laymen who devote themselves to useful works, such as manual labor schools, and other educational institutions; -- called also Brothers of the Third Order of St. Francis. -- Franciscan Nuns, nuns who follow the rule of t. Francis, esp. those of the Second Order of St. Francis, -- ca…