波動

はどう

Noun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'

Physics

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波動説はどうせつ

wave theory

波動関数はどうかんすう

wave function

波動拳はどうけん

hadouken (fireball attack from the Street Fighter series)

それはどうかなそれはどうかな

I wonder about that; don't bet on it; famous last words

それはどうもそれはどうも

why yes, thank you