DERIVATIVE INSTRUMENT
\dɪɹˈɪvətˌɪv ˈɪnstɹəmənt], \dɪɹˈɪvətˌɪv ˈɪnstɹəmənt], \d_ɪ_ɹ_ˈɪ_v_ə_t_ˌɪ_v ˈɪ_n_s_t_ɹ_ə_m_ə_n_t]\
Word of the day
vertical stabilizer
- a stabilizer that is part the vertical tail structure of an airplane