SPIRALLY
\spˈa͡ɪ͡əɹə͡lˌi], \spˈaɪəɹəlˌi], \s_p_ˈaɪə_ɹ_əl_ˌi]\
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Word of the day
Aerocurve
- A modification of the aeroplane, having curved surfaces, advantages which were first demonstrated by Lilienthal.