CELLULAR a.
Consisting of, or containing, cells; of or pertaining to a cell or cells. Cellular plants, Cellular cryptogams (Bot.), those flowerless plants which have no ducts or fiber in their tissue, as mosses, fungi, lichens, and algæ. -- Cellular theory, or Cell theory (Biol.), a theory, according to which the essential elemen…
CELLULOSE n.
The substance which constitutes the essential part of the solid framework of plants, of ordinary wood, linen, paper, etc. It is also found to a slight extent in certain animals, as the tunicates. It is a carbohydrate, (C6H10O5)n, isomeric with starch, and is convertible into starches and sugars by the action of heat an…
CENTRIPETAL a.
. Centripetal force (Mech.), a force whose direction is towards a center, as in case of a planet revolving round the sun, the center of the system, See Centrifugal force, under Centrifugal. -- Centripetal impression (Physiol.), an impression (sensory) transmitted by an afferent nerve from the exterior of the body inwa…
CHARLOCK n.
A cruciferous plant (Brassica sinapistrum) with yellow flowers; wild mustard. It is troublesome in grain fields. Called also chardock, chardlock, chedlock, and kedlock. Jointed charlock, White charlock, a troublesome weed (Raphanus Raphanistrum) with straw- colored, whitish, or purplish flowers, and jointed pods: wild…
CHART n.
chart, a chart constructed on the principle of Mercator's projection. See Projection. -- Plane chart, a representation of some part of the superficies of the globe, in which its spherical form is disregarded, the meridians being drawn parallel to each other, and the parallels of latitude at equal distances. -- Seleno…
CHEESE n.
te the whey from the curd, and to press the curd into a mold. -- Cheese rennet (Bot.), a plant of the Madder family (Golium verum, or yellow bedstraw), sometimes used to coagulate milk. The roots are used as a substitute for madder. -- Cheese vat, a vat or tub in which the curd is formed and cut or broken, in cheese…