| 释义 |
cas·cade
I. \(ˈ)ka|skād\ noun
(-s)
Etymology: French, from Italian cascata, from cascare to fall, from (assumed) Vulgar Latin casicare, from Latin casus, past participle of cadere to fall — more at chance
1. : a fall of water over steeply slanting rocks (as in a river or brook); especially : a small fall or one of a series
2.
a. : something arranged, formed, or piled up in a series of steps or ranks
< the cascades of the Deville glacier >
b. : series 8
c. : a fall of material (as lace) that is so arranged in folds at the upper edge that the lower edge hangs in a zigzag line and that is used especially in clothing and draperies
d. : a succession of stages (as in a process or in the arrangement of the parts of an apparatus) in which each stage derives from or acts, sometimes cumulatively, upon the product or output of the preceding
< relays in cascade >
< a cascade amplifier >
< a distillation column is a cascade with each plate representing a stage — Richard Stephenson >
e. : a series of equally spaced and similarly oriented airfoils or hydrofoils that direct the flow of a fluid (as the stator blades direct the flow of air in a compressor)
3.
a. : something falling or rushing forth in quantity
< a cascade of sound so great that you cannot hear a word anyone says — Douglas Brown >
b. : an arrangement of flowers fastened together so that an extended part or strip trails down from the main body
II. verb
(-ed/-ing/-s)
intransitive verb
1. : to fall or pour in or as if in a cascade
< the price cascaded to 140 — F.L.Allen >
< cascaded down a flight of steps and spilled into the street — Truman Capote >
2. dialect : vomit
transitive verb
1. : to cause to fall like a cascade
2. also cascade-connect : to connect in cascade (as an electric circuit)
3. : to carry out (as a manufacturing process) in a number of stages |