I.pioneer [βρετ pʌɪəˈnɪə, αμερικ ˌpaɪəˈnɪr] ΟΥΣ (all contexts)
- novateur/-trice
II.pioneer [βρετ pʌɪəˈnɪə, αμερικ ˌpaɪəˈnɪr] ΡΉΜΑ μεταβ
pioneer invention, technique:
III.pioneering ΕΠΊΘ
- pioneering scientist, socialist, film-maker, scheme, study
- innovateur/-trice