Translation guide
A hydrofoil is a wing-like structure attached to a boat that lifts the hull out of the water at speed, or a boat equipped with such foils. This guide covers how to refer to the technology and the vessel in Japanese.
Referring to a boat or ship that uses hydrofoils to lift its hull above the water.
Standard technical term for a hydrofoil vessel. Literally 'underwater wing ship'. Used in formal and technical contexts.
Hydrofoil services may be suspended when waves are high.
Loanword from English. Often used in product names or casual contexts, but less common than the native term.
This hydrofoil has a top speed of 80 km/h.
Alternative term, less common than 水中翼船. 艇 implies a smaller craft.
A small hydrofoil craft was developed.
Referring to the physical wing-like appendage that provides lift.
In everyday conversation, Japanese speakers might simply use the specific service name (e.g., ジェットフォイル for Jetfoil) or describe it as 速い船 (fast boat) rather than using the technical term.
Same loanword as for the vessel, but context distinguishes the meaning. Often used in sports equipment like hydrofoil surfboards.
The shape of the hydrofoil generates lift.