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[suh-loi-din] /səˈlɔɪ dɪn/
a concentrated form of pyroxylin used to embed tissues for cutting and microscopic examination.
Origin of celloidin
First recorded in 1880-85; cell(ulose) + -oid + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for celloidin
Historical Examples
  • To overcome this, the sections might also be embedded in celloidin.

    All About Coffee William H. Ukers
  • Pour some soft celloidin into a test tube; carefully revolve the test tube so that an even film of celloidin dries on the inside.

    A Civic Biology George William Hunter
  • After a short time water begins to rise in the tube, having passed through the film of celloidin.

    A Civic Biology George William Hunter
  • Various grades of celloidin, thick and thin, in wide-mouthed bottles.

  • Remove the solution of gelatine from the interior of the celloidin case with a pipette.

British Dictionary definitions for celloidin


a nitrocellulose compound derived from pyroxylin, used in a solution of alcohol and ether for embedding specimens before cutting sections for microscopy
Word Origin
C20: from cellulose + -oid + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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