stabile sta·bile (stā'bĭl, -bəl, -bīl', -bēl')
adj.
Resistant to change; stable; steady.
type of stationary abstract sculpture, developed by the 20th-century American artist Alexander Calder and usually characterized by simple forms executed in sheet metal; the term, coined in reference to Calder's work by Jean Arp in 1931 (compare mobile), was later applied to similar works by other artists.