BURNING n.
as the lighter petroleums (naphtha, benzine), or oil of turpentine (camphine), but esp. a mixture of the latter with alcohol. -- Burning glass, a conxex lens of considerable size, used for producing an intense heat by converging the sun's rays to a focus. -- Burning house (Metal.), the furnace in which tin ores are c…
CHALK n.
lines on boards or other material, as a guide in cutting or in arranging work. -- Chalk mixture, a preparation of chalk, cinnamon, and sugar in gum water, much used in diarrheal affection, esp. of infants. -- Chalk period. (Geol.) See Cretaceous period, under Cretaceous. -- Chalk pit, a pit in which chalk is dug.…