colloid

(kol'loyd) [G. kolla, glue, eidos, appearance.] I. Glue-like. 2. translucent, yellowish, homogeneous material of the consistency of glue, le fluid than mucoid or mucinoid, found in the cells and ti ues in a state of colloid degeneration. 3. A substance such as gelatin (coUin) or the cytoplasm, which, by reason of the size of its molecules, is slowly diffusible 'rather than soluble in water, its hydrates being gelatinous in consistence, and is incapable of pa ing through an animal membrane. 4. Colloidal metal.* am'yl c, anodyne c. an'odyne «., amyl c, amyl hydride and absolute alcohol, each J ounce, aconitine 1 gr., veratrine 6 grs., collodion 2 ounces; used as a local application for neuralgia and muscular pains, t. degenera'tion, see degeneration, c. degen'eTation of the skin, c. milium, hyaloma.* c. solu'tion, dispersoid or emulsoid, an apparent solution of any colloid substance, disper's ion c, dispersoid. emul's ion c, emulsoid, a colloid, solution in which the substance is in the form of exceedingly minute film-covered droplets, infinitely smaller than those of an emulsion, the solution being more or le viscid, hy'- drophile or hydro phil'ic c, emulsion c, emulsoid.* hydrophb'bic c, dispersoid. irrever'- sible c, one which is not again soluble in water after having been dried at ordinary temperature, lyophil'ic i;., emulsion c. lyopho'bic 1;., suspension c. protec'tive c, a c. which has the power of preventing the precipitation of suspension colloids under the influence of an electrolyte, revei's ible c, one which is again soluble in water after having been dried at ordinary temperature, sta'ble c, reversible c. styp'tic c, collodium stypticum. suspen's ion c, suspensoid, a colloid solution in which the particles are solid and have no attraction for the fluid in which they are suspended, unsta'ble c, irreversible c.