(obsolete, inorganic chemistry) A poorly-characterized phosphorescent substance obtained by heating calcium nitrate.

(obsolete, inorganic chemistry) A poorly-characterized phosphorescent substance obtained by calcining oyster-shells and sulfur.

(obsolete, inorganic chemistry) A poorly-characterized phosphorescent substance obtained by heating barium sulfate.

(obsolete, inorganic chemistry) A poorly-characterized phosphorescent substance obtained by heating calcium chloride.

a glow produced by friction when mercury is shaken in an evacuated glass vessel; the luminous barometer / a compound of mercury and phosphorus used to treat syphilis

(obsolete, inorganic chemistry) Bolognian phosphorus

(historical) An early form of friction match involving a splint tipped with sulfur dipped into a bottle of phosphorous and then ignited by friction.

(medicine) a wasting disease caused by exposure to phosphorus

To exhibit phosphorescence

A paste of yellow phosphorus and water, mixed with flour and used as an insecticide and rat poison. / A paste of white phosphorus used to tip early matches.