பொருள் : 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.
எடுத்துக்காட்டு :
The fins of a fish act as hydrofoils.
ஒத்த சொற்கள் : foil
பொருள் : A speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds.
எடுத்துக்காட்டு :
The museum houses a replica of the jet hydroplane that broke the record.
ஒத்த சொற்கள் : hydroplane