lichen planus lichen pla·nus (plā’nəs)
A skin condition characterized by the eruption of flat-topped, shiny, violaceous papules on flexor surfaces, male genitalia, and the mucosa of the oral cavity. Also called lichen ruber planus.
[lahy-kuh-nuh s] /ˈlaɪ kə nəs/ adjective 1. of, relating to, or resembling a . 2. covered with .
[lahyf-boht] /ˈlaɪfˌboʊt/ noun 1. a double-ended ship’s , constructed, mounted, and provisioned so as to be readily able to rescue and maintain persons from a sinking vessel. 2. a similarly constructed used by shore-based rescue services. /ˈlaɪfˌbəʊt/ noun 1. a boat, propelled by oars or a motor, used for rescuing people at sea, escaping from […]
[lahyf-boht-muh n] /ˈlaɪfˌboʊt mən/ noun, plural lifeboatmen. 1. a sailor qualified to take charge of a or life raft.
noun 1. any of variously formed buoyant devices for supporting a person fallen into the water. noun 1. any of various kinds of buoyant device for keeping people afloat in an emergency