August 15, 2012
- hydrofoil (noun)
- What does it mean?
- : a boat that has fins attached to the bottom by braces for lifting the hull clear of the water to allow faster speeds
- How do you use it?
- The first efficient hydrofoil ship was built in Italy about 100 years ago, but hydrofoils were not widely used until the 1950s, when military and commercial models were built.
- Are you a word wiz?
"Hydro-," meaning "water," is a prefix used in "hydrofoil" and a bunch of other English words. We've listed some other "hydro-" words here, but one of them isn't real. Which of the following do you think is NOT a real "hydro-" word?Answer B, "hydrosynthesis," is the made-up word. The others are all real. "Hydroelectric" means "of or relating to production of electricity by waterpower," as in "a hydroelectric dam." A hydroplane is either a speedboat whose hull is completely or partly out of the water as it skims the water, or a seaplane, which is an airplane designed to take off from and land on the water. Hydrophobia is an abnormal fear of water; the word is also another name for the disease rabies.