rotor

mastery
UK /ˈɹəʊ.tə/ US /ˈɹoʊ.tɚ/noun

card 1 of 8 · definition

Which adjective most naturally collocates with "rotor" to describe a helicopter that uses only one rotor?

Which adjective most naturally collocates with "rotor" to describe a helicopter that uses only one rotor?