convertiplane

(redirected from convertible helicopter)
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con·vert·i·plane

also con·vert·a·plane  (kən-vûr′tə-plān′)
n.
An airplane having the ability to take off and land vertically, as by the use of large propellers that tilt upward to provide thrust.

convertiplane

(kənˈvɜːtəˌpleɪn) ,

convertaplane

or

convertoplane

n
(Aeronautics) an aircraft that can land and take off vertically by temporarily directing its propulsive thrust downwards

con•vert•i•plane

(kənˈvɜr təˌpleɪn)

n.
an aircraft capable of vertical flight like a helicopter and forward flight like a conventional airplane.
[1945–50]
Translations