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fountainhead
four
four-bagger
four-ball
four-by-four
four-by-two
four-color
Four Corners
four-cycle
four-dimensional
four-eyed fish
four-eyes
four flush
four-flush
four-four-two
four-handed
Four Hundred
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four-cycle
four-cy·cle


adjective 
Definition:
 
U.S. requiring four strokes per cycle: describes an internal-combustion engine in which the piston makes four strokes to complete a cycle.
Canadian term  four-stroke
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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