CALCAREA OSTREARUM
\kalkˈe͡əɹi͡əɹ ˈɒstɹi͡əɹəm], \kalkˈeəɹiəɹ ˈɒstɹiəɹəm], \k_a_l_k_ˈeə_ɹ_iə_ɹ ˈɒ_s_t_ɹ_iə_ɹ_ə_m]\
Word of the day
Aerocurve
- A modification of the aeroplane, having curved surfaces, advantages which were first demonstrated by Lilienthal.