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celloidin

[suh-loi-din]
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noun
  1. a concentrated form of pyroxylin used to embed tissues for cutting and microscopic examination.
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Origin of celloidin

First recorded in 1880–85; cell(ulose) + -oid + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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

celloidin

noun
  1. a nitrocellulose compound derived from pyroxylin, used in a solution of alcohol and ether for embedding specimens before cutting sections for microscopy
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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