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Definition of siphon

siphon

/ˈsaɪ.fən/
si · phon

Plural:siphons
•
Adjective:siphonal
•
Past Simple:siphoned
•
Past Participle:siphoned
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Present Participle:siphoning
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siphon Lexical Profile

siphon Game Scores & Validity

• noun

1

A bent tube or pipe used to draw liquid upward from a container and then downward to a lower level through atmospheric pressure and gravity.

Example

"The mechanic used a plastic siphon to transfer fuel from the reserve tank into the tractor."


2

A bottle from which carbonated water or another aerated liquid is forced out through a tube by the pressure of gas inside.

Example

"The bartender kept a vintage glass soda siphon on the counter for mixing classic cocktails."


3

A tubular organ in an aquatic animal, especially a mollusk or tunicate, through which water is drawn in or expelled for respiration, feeding, or locomotion.

Example

"An octopus can propel itself rapidly backward by expelling a jet of water through its muscular siphon."

• verb

1

To draw off or convey liquid from one container to another by means of a siphon.

Example

"Before cleaning the aquarium, she carefully siphoned half of the water into a bucket."


2

To divert or take away funds, resources, or profits gradually, often illicitly or unfairly.

Example

"Auditors discovered that the executive had been siphoning money from the charity into offshore accounts."

Synonyms
View all synonyms for siphon

• Rhymes for siphon

Word Origin & Etymology

Borrowed from French 'siphon', via Latin 'sipho', from Ancient Greek 'siphon', originally meaning a hollow reed, pipe, or tube used for drawing wine from a cask.

Cite this Entry


Wordmom. (2026). Definition of Siphon. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/siphon
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