SPHEROIDICAL
\sfəɹˈɔ͡ɪdɪkə͡l], \sfəɹˈɔɪdɪkəl], \s_f_ə_ɹ_ˈɔɪ_d_ɪ_k_əl]\
Word of the day
Aerocurve
- A modification of the aeroplane, having curved surfaces, advantages which were first demonstrated by Lilienthal.