Webster
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Webster’s Revised Unabridged Dictionary · 1913

Collodion

Col·lo′di·on (kŏl·lō′dĭ·ŏn), n. [Gr. κολλώδης like glue; κόλλα glue + εἶδος 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 wounds; but its chief application is as a vehicle for the sensitive film in photography.

Collodion process (Photog.), a process in which a film of sensitized collodion is used in preparing the plate for taking a picture. — Styptic collodion, collodion containing an astringent, as tannin.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.