Colloid — Col loid, n. 1. (Physiol. Chem.) A substance (as albumin, gum, gelatin, etc.) which is of a gelatinous rather than a crystalline nature, and which diffuses itself through animal membranes or vegetable parchment more slowly than crystalloids do;… … The Collaborative International Dictionary of English
colloid — 1. Aggregates of atoms or molecules in a finely divided state (submicroscopic), dispersed in a gaseous, liquid, or solid medium, and resisting sedimentation, diffusion, and filtration, thus differing from precipitates. SEE ALSO: hydrocolloid … Medical dictionary
Styptic collodion — Collodion Col*lo di*on, n. [Gr. ? like glue; ko lla glue + ? form. Cf. {Colloid}.] (Chem.) A solution of pyroxylin (soluble gun cotton) in ether containing a varying proportion of alcohol. It is strongly adhesive, and is used by surgeons as a… … The Collaborative International Dictionary of English
collodion — A liquid made by dissolving pyroxylin or gun cotton in ether and alcohol; on evaporation it leaves a glossy contractile film; used as a protective for cuts or as a vehicle for the local application of medicinal substances. SYN … Medical dictionary
Benjamin Ward Richardson — Sir Benjamin Ward Richardson (October 1828 – November 21, 1896) was an eminent British physician, anaesthetist, physiologist, sanitarian, and a prolific writer on medical history. He was the recipient of the Fothergill gold medal, awarded by the… … Wikipedia
Collodion — Col*lo di*on, n. [Gr. ? like glue; ko lla glue + ? form. Cf. {Colloid}.] (Chem.) A solution of pyroxylin (soluble gun cotton) in ether containing a varying proportion of alcohol. It is strongly adhesive, and is used by surgeons as a coating for… … The Collaborative International Dictionary of English
Collodion process — Collodion Col*lo di*on, n. [Gr. ? like glue; ko lla glue + ? form. Cf. {Colloid}.] (Chem.) A solution of pyroxylin (soluble gun cotton) in ether containing a varying proportion of alcohol. It is strongly adhesive, and is used by surgeons as a… … The Collaborative International Dictionary of English
