"cascade" in the noun sense
a small waterfall or series of small waterfalls
a succession of stages or operations or processes or units
"progressing in severity as though a cascade of genetic damage was occurring"
"separation of isotopes by a cascade of processes"
3. shower, cascade
a sudden downpour (as of tears or sparks etc) likened to a rain shower
"a little shower of rose petals"
"a sudden cascade of sparks"
"cascade" in the verb sense
1. cascade, cascade down
rush down in big quantities, like a cascade
arrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible
Source: WordNet® (An amazing lexical database of English)
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