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porpoise
(redirected from porpoising)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
porpoise
the smallest cetacean, 6 ft long weighing 100 lb, black on top, white belly, piscivorous and an excellent swimmer. The common porpoise is Phocaena phocaena. There are other species, e.g. P. sinus (Pacific harbor porpoise).


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If you notice any porpoising of the arrow, then your nocking point isn't where it should be.
These vehicles will use a variety of schemes for propulsion, including conventional propellers and unconventional buoyancy-modification schemes that allow vehicles to propel themselves by porpoising through the air at about 30 to 50 knots, enabling them to overcome all but the most unusual near-space winds.
A big, bushy-tailed squirrel porpoising through semi-tall grass, and 2.
 
 
 
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