Red phosphorus(redirected from amorphous phosphorus)
Also found in: Medical, Encyclopedia.
|(Chem.)||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.|
|(Chem.)||See under Phosphorus.|