brown induration of the lung

n.

A lung condition characterized by tissue firmness and brown pigmentation associated with hemosiderin-pigmented macrophages in the alveoli, resulting from prolonged congestion caused by heart disease.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.