1) A devastating flood; deluge.
From Fr. cataclysme, from L. cataclysmos "deluge," from Gk. kataklysmos, from kataklyzein "to inundate," from kata "down" + klyzein "to wash."
Gatlur "great flood," from gat "great, large, big" [Mo'in, Dehxodâ] + lur "flood" [Mo'in, Dehxodâ], cf. Gk. louein "to wash," L. luere "to wash," Bret. laouer "trough," PIE *lou- "to wash." Variants of lur in Pers. dialects are: Lori, Kordi laf, lafow, lafaw, Tabari lé, all meaning "flood."
Fr.: variable cataclysmique
A → variable star that shows a sudden and dramatic change in brightness, including → flare stars, → novae, and some types of → symbiotic stars. They are believed to be very → close binary systems consisting of an → accreting → white dwarf → primary and an evolved → late-type secondary star that has filled its → Roche lobe. For systems with an → accretion disk, it is believed that a thermal instability is the cause of repetitive outbursts observed in cataclysmic variables called → dwarf novae.
magnetic cataclysmic binary
dorin-e gatluri-ye meqnâtisi
Fr.: binaire cataclysmique magnétique
A cataclysmic binary in which the white dwarf primary has a strong magnetic field that radically affects the accretion flow in the system. → polar