celloidin

American  

[suh-loi-din] / səˈlɔɪ dɪn /

noun

1. a concentrated form of pyroxylin used to embed tissues for cutting and microscopic examination.

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celloidin British  

/ səˈlɔɪdɪn /

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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Etymology

Origin of celloidin

First recorded in 1880–85; cell(ulose) + -oid + -in ²

Example Sentences

All diffusible substances circulating in the blood pass through the intervening layer of celloidin.

From Scientific American • Sep. 16, 2013

"The quality of DNA in old celloidin specimens will require careful evaluation."

From Scientific American • Jan. 9, 2012

Many of the samples are preserved in celloidin, a hard, rubbery and highly flammable form of cellulose.

From Scientific American • Jan. 9, 2012

Many of the samples fixed in celloidin also float in a liquid preservative that is probably formaldehyde or alcohol.

From Scientific American • Jan. 9, 2012

Remove any gelatine from the lumen of the tube with a heated platinum needle; paint the joint between capsule and tube with moderately thick celloidin and allow to dry.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)