[see-luh-stat] /ˈsi ləˌstæt/
an apparatus consisting of a mirror driven by clockwork, used to enable a fixed telescope to keep the same area of sky in its field of view by compensating for the apparent rotation of the celestial sphere.
an astronomical instrument consisting of a plane mirror mounted parallel to the earth’s axis and rotated about this axis once every two days so that light from a celestial body, esp the sun, is reflected onto a second mirror, which reflects the beam into a telescope Compare siderostat
/sɪˈljʊərəˌsɔː/ noun 1. any of various small to very large bipedal carnivorous saurischian dinosaurs belonging to the suborder Theropoda, active in the Triassic and Cretaceous periods; Tyrannosaurus was a coelurosaur, and birds are thought to have evolved from small coelurosaurs
/kəʊˈɛmpʃən/ noun 1. the buying up of the complete supply of a commodity
/kuːn/ noun 1. Jan Pieterszoon. 1587–1629, Dutch colonial administrator; governor general of the Dutch East Indies (1618–23, 1627–29)
/ˈsɛnəkəl/ noun 1. a variant spelling of cenacle