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1. (n.) hydrofoil
a surface form creating a thrust against water in a direction perpendicular to the plane approximated by the surface.
2. hydrofoil
a winglike member having this form, designed to lift the hull of a moving vessel.
3. hydrofoil
a vessel with hydrofoils.
Etymology: (1915–20)
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| Definition of 'hydrofoil' |
Princeton's WordNet |
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1. (noun) hydrofoil, foil
a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through
"the fins of a fish act as hydrofoils"
2. (noun) hydrofoil, hydroplane
a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
"the museum houses a replica of the jet hydroplane that broke the record"
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