from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A stable allotrope of phosphorus; used in the manufacture of safety matches, pesticides etc.
from the GNU version of the Collaborative International Dictionary of English
- n. an allotropic modification of phosphorus, obtained as a dark red powder by heating ordinary phosphorus in closed vessels. It is not poisonous, is not phosphorescent, and is only moderately active chemically. It is valuable as a chemical reagent, and is used in the composition of the friction surface on which safety matches are ignited.
- adj. See under Phosphorus.
Sorry, no etymologies found.