|
In my view, the Christian religion is the most important and one of the first things in which all children, under a free government ought to be instructed... No truth is more evident to my mind than that the Christian religion must be the basis of any government intended to secure the rights and privileges of a free people. Preface to 1828 Dictionary
|
CHARCOAL, n. Coal made by charring wood; the remains of wood burnt under turf, and from which all watery and other volatile matter has been expelled by heat. It makes a strong heat, and is used in furnaces, forges, private families, &c. It is black, brittle, light and in odorous, and not being decomposable by water or air, will endure for ages without alteration.
Impure carbon
prepared from vegetable or animal substances; esp., coal made by
charring wood in a kiln, retort, etc., from which air is
excluded. It is used for fuel and in various mechanical,
artistic, and chemical processes.
Finely prepared
charcoal in small sticks, used as a drawing implement.
Animal charcoal, a fine charcoal prepared by calcining bones in a closed vessel; -- used as a filtering agent in sugar refining, and as an absorbent and disinfectant. -- Charcoal blacks, the black pigment, consisting of burnt ivory, bone, cock, peach stones, and other substances. -- Charcoal drawing (Fine Arts), a drawing made with charcoal. See Charcoal, 2. Until within a few years this material has been used almost exclusively for preliminary outline, etc., but at present many finished drawings are made with it. -- Charcoal point, a carbon pencil prepared for use in an electric light apparatus. -- Mineral charcoal, a term applied to silky fibrous layers of charcoal, interlaminated in beds of ordinary bituminous coal; -- known to miners as mother of coal. | ||||||||