The definition of a siphon is a tube that is used to draw liquid from one container into another, lower container by atmospheric pressure and gravity.(noun)
An example of a siphon is a tube where gas is forced out of a gas tank into a gas container on the ground.
To siphon is to run a tube from one container to another in a way that uses atmospheric pressure to move the liquid into the lower container.(verb)
When you hook up a tube to a gas tank and then use atmospheric pressure to move the gas out of that tank into a gas canister below it, this is an example of a time when you siphon.
See siphon in Webster's New World College Dictionary
Origin: Fr < L sipho (gen. siphonis) < Gr siphōn, tube, siphon
See siphon in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Latin sīphō, sīphōn-
Origin: , from Greek sīphōn.
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