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si·phon

siphon

 
 
pronunciation:
saI fn
parts of speech:
noun, verb
features:
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part of speech: noun
definition: a tube or pipe used to suck a liquid over the top of its container and into a lower one by means of air pressure.
We had to use a siphon to refill our gas tank when we were driving in the wilderness.
similar words:
drain
 
part of speech: verb
inflections: siphons, siphoning, siphoned
definition: to draw off or move with a siphon or as if with a siphon.
I siphon half of the water out of my fish tank every week and replace it with fresh water.
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See
  mollusk, water