Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A pure form of pyroxylin in which specimens for microscopic examination are embedded.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A semisolid solution of pyroxylin in ether and alcohol. Used to embed specimens for microscopy before they are sectioned and placed on slides.
  • n. A specimen embedded in celloidin.

from The Century Dictionary and Cyclopedia

  • n. A pure form of pyroxylin (guncotton). Dissolved in ether and absolute alcohol in varying proportions, it is extensively used in the histological laboratory for the purpose of embedding tissues for sectioning.

Etymologies

cell(ulose) + -oid + -in.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From cellulose + -oid + -in (Wiktionary)

Examples

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