PLUMBISM n.
tion, produced by the absorption of lead, common among workers in this metal or in its compounds, as among painters, typesetters, etc. It is characterized by various symptoms, as lead colic, lead line, and wrist drop. See under Colic, Lead, and Wrist.
POLAR a.
ing the arctic regions. It sometimes measures nearly nine feet in length and weighs 1,600 pounds. It is partially amphibious, very powerful, and the most carnivorous of all the bears. The fur is white, tinged with yellow. Called also White bear. See Bear. -- Polar body, cell, or globule (Biol.), a minute cell which se…