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[sahy-fuh n] /ˈsaɪ fən/
noun, verb (used with object), verb (used without object)
1. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for syphon
  • Yet the state manages to syphon those off too, by heavily taxing consumption.
  • The also conspire to channel, syphon and launder millions of dollars worth of grant money from the government.
  • Install syphon instead of snubber for steam pressure gauges.
  • syphon all liquid from the trap and drain using a soft rubber or plastic hose.
  • There are two basic types of conventional spray guns: syphon-feed and gravity feed.
British Dictionary definitions for syphon


a tube placed with one end at a certain level in a vessel of liquid and the other end outside the vessel below this level, so that liquid pressure forces the liquid through the tube and out of the vessel by gravity
(zoology) any of various tubular organs in different aquatic animals, such as molluscs and elasmobranch fishes, through which a fluid, esp water, passes
(often foll by off) to pass or draw off through or as if through a siphon
Derived Forms
siphonage, noun
siphonal, siphonic (saɪˈfɒnɪk) adjective
Word Origin
C17: from Latin sīphō, from Greek siphōn siphon


a variant spelling of siphon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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