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A waxy substance extracted by alcohol or ether from cork; sometimes applied also to the portion of beeswax which is soluble in alcohol. Watts.

A waxy substance obtained from the bark of the sugar cane, and crystallizing in delicate white laminæ.

A white crystalline substance, C27H55.OH, obtained from Chinese wax, and regarded as an alcohol of the marsh gas series; -- called also cerotic alcohol, ceryl alcohol.

A white, waxy substance, forming the essential part of spermaceti.

A white substance extracted from the lichen, Iceland moss (Cetraria Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance.

A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle.

A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone.

Appearing different, as in color, in different lights, or under different circumstances; as, changeable silk.

the ease or a accommodation of an increasing parish, or for parishioners who live at a distance from the principal church. (b) A privy. (Law) -- Chapel master, a director of music in a chapel; the director of a court or orchestra. -- To build a chapel (Naut.), to chapel a ship. See Chapel, v. t., 2. -- To hold a cha…

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.

he meridians being drawn parallel to each other, and the parallels of latitude at equal distances. -- Selenographic chart, a map representing the surface of the moon. -- Topographic chart, a minute delineation of a limited place or region.

Diversified or variegated in a marked manner, as in appearance, character, circumstances, etc. This checkered narrative. Macaulay.

he celandine, and named from the red color of its salts, It is a coloriess crystalline substance, and acts as an acrid narcotic poison. It is identical with sanguinarine.

, a weak acid extracted fron the celandine (Chelidonium majus), as a white crystalline substance.

A substance used for producing a chemical effect; a reagent.

The force exerted between the atoms of elementary substance whereby they unite to form chemical compounds; chemical attaction; affinity; -- sometimes used as a general expression for chemical activity or relationship.

That branch of science which treats of the composition of substances, and of the changes which they undergo in consequence of alterations in the constitution of the molecules, which depend upon variations of the number, kind, or mode of arrangement, of the constituent atoms. These atoms are not assumed to be indivisibl…

A term sometimes applied to the decomposition of organic substance into more simple bodies, by the use of chemical agents alone. Thudichum.

ed by small free-swimming organisms, as bacteria, zoöspores of algæ, etc., to chemical substances held in solution. They may be attracted (positive chemotaxis) or repelled (negative chemotaxis). -- Chem`o*tac"tic (#), a. -- Chem`o*tac"tic*al*ly, adv.

A gumlike substance obtained from the bully tree (Mimusops globosa) and sometimes also from the naseberry or sapodilla (Sapota zapotilla). It is more plastic than caoutchouc and more elastic than gutta-percha, as an adulterant of which it is used in England. It is used largely in the United States in making chewing gum…