SCIAMACHY (SCanning Imaging Absorption SpectroMeter for Atmospheric CHartographY; Greek: σκιάμάχη: analogously: `Fighting shadows`) is one of ten instruments aboard of ESA`s ENVIronmental SATellite, ENVISAT. It is a satellite spectrometer designed to measure sunlight, transmitted, reflected and scattered by the earth`s atmosphere or su...
• (n.) See Sciomachy.
Sci·am'a·chy noun See Sciomachy . 
sciamachy, skiamachy, sciomachy 1. A sham fight for exercise or practice. 2. The action of 'fighting with a shadow'; 'shadow boxing'.
acronym: scanning, imaging, and absorption spectrometer for atmospheric cartography