Definition of autorotative in English:
autorotative
adjective
Aeronautics
Involving or producing autorotation; relating to autorotation.
Pronunciation
autorotative
/ˌɔːtə(ʊ)rə(ʊ)ˈteɪtɪv/ /ˌɔːtə(ʊ)ˈrəʊtətɪv/ Origin
1920s. From auto- + rotative, after autorotate, autorotation.