screw propeller

Definition of screw propeller:
a propeller with several angled blades that rotates to push against water or air


Enron mail blog, Enron mail archive, Loan Morph, Pseudo Words, Franz Kafka, The Metamorphosis, Stock Morph, HostMon, Chess Morph, Search Morph, News Morph, I'm Sorry Dave - Dave's weblog bookmarks