from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A material made from sawdust and the blood of slaughtered animals, used in the late nineteenth century for doorknobs, buttons, etc.

from the GNU version of the Collaborative International Dictionary of English

  • n. A composition made from blood, mixed with mineral or vegetable substances, used for making buttons, door knobs, etc.

from The Century Dictionary and Cyclopedia

  • n. A plastic material, a substitute for horn, made from blood with the addition of sundry vegetable and mineral materials.


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