PLEUROLITH
\plˈɜːɹəlˌɪθ], \plˈɜːɹəlˌɪθ], \p_l_ˈɜː_ɹ_ə_l_ˌɪ_θ]\
Word of the day
Aerocurve
- A modification of the aeroplane, having curved surfaces, advantages which were first demonstrated by Lilienthal.