Define scabies: contagious itch or mange especially with exudative crusts that is caused by parasitic mites (especially Sarcoptes scabiei) contagious itch or mange especially with exudative crusts that is caused by parasitic mites (especially Sarcoptes scabiei)â¦
Dirigibles, also called airships, fly by being lighter than air. This works because a dirigible is like a big hard balloon filled with lighter-than-air gas, such as helium or hydrogen. You've probably seen dirigibles used in advertising, like the Goodyear blimp. A famous dirigible accident was the Hindenburg crash.
Definition of a Wave. Webster's dictionary defines a wave as: The most important part of this definition is that a wave is a disturbance or variation which travels through a medium. The medium through which the wave travels may experience some local oscillations as the wave passes, but the particles in the medium do not travel with the wave.