This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. An extreme form of cavitation in which a single bubble of gas forms around an object moving through a liquid, significantly reducing drag

"The half sailboat, half plane uses technology known as supercavitation -- sailing just above the water's edge. more photos »"