九〇式大空中聴音機

きゅうまるしきだいくうちゅうちょうおんき

noun

•

Japanese war tuba, pre-radar acoustic locator used by the Imperial Japanese Army

九	nine
式	style, ceremony, rite, function, method, system, form, expression
大	large, big
空	empty, sky, void, vacant, vacuum
中	in, inside, middle, mean, center
聴	listen, headstrong, naughty, careful inquiry
音	sound, noise
機	loom, mechanism, machine, airplane, opportunity, potency, efficacy, occasion