Defn: One of the small particles or organic molecules of protoplasm.
Haeckel.
PLASTIN
Plas"tin, n. Etym: [Gr. (Biol.)
Defn: A substance associated with nuclein in cell nuclei, and by some considered as the fundamental substance of the nucleus.
PLASTOGRAPHY
Plas*tog"ra*phy, n. Etym: [Gr.
1. The art of forming figures in any plastic material.
2. Imitation of handwriting; forgery.
PLASTRON Plas"tron, n. Etym: [F. plastron breastplate, plastron, LL. plastra a thin plate of metal. See Plaster.]
1. A piece of leather stuffed or padded, worn by fencers to protect the breast. Dryden.
3. (Anc. Armor)
Defn: An iron breastplate, worn under the hauberk.