Definition of collodion in English:

collodion

noun

  • [mass noun] A syrupy solution of nitrocellulose in a mixture of alcohol and ether, used for coating things, chiefly in surgery.

    • ‘The plates had to be sensitised just before the photograph was taken, and since this was the era of the wet collodion process and Egypt was very hot, many times Frith's collodion boiled while he was trying to coat his glass plates.’
    • ‘Frederick Scott Archer, an English sculptor, discovered that light-sensitive silver salts could be mixed with collodion, a sticky liquid that rapidly hardens and which had seen use as a field bandage for the British military.’
    • ‘The plate was first coated with collodion, a toxic and inflammable mixture that could be bought from druggists since in its simple state it was used to dress wounds.’
    • ‘Most of his predecessors had to rely on the wet plate process, which required traveling darkrooms in which the plates were coated with collodion, sensitized with silver nitrate, and then developed following exposure.’
    • ‘Osterman exploits collodion's nearly grainless precision and the rich variability of the salt print to render the experience of sleep.’

Origin

Mid 19th century: from Greek kollōdēs glue-like, from kolla glue.

Pronunciation:

collodion

/kəˈləʊdɪən/