noun, noun which may take the genitive case particle 'no'
wave motion; undulation; surge
General term for wavelike movement or fluctuation, often used figuratively for emotional or social surges.
地震の波動が遠くまで伝わった。
The seismic wave motion traveled far.
noun, noun which may take the genitive case particle 'no'
Technical term in physics for a propagating disturbance; used in contexts like 波動方程式 (wave equation) or 波動関数 (wave function).
光は波動としての性質を持つ。
Light has properties as a wave.
The vibration propagated through the air as a wave.
彼の演説は聴衆に感情の波動を起こした。
His speech stirred a surge of emotion in the audience.
She said she felt a strange wave of energy.
That remark set off a major wave of reaction in society.
Waves spread out in concentric circles across the water's surface.
振動 describes vibration or oscillation, typically of a solid object staying in place, whereas 波動 emphasizes a disturbance propagating through a medium.
うねり is a natural, everyday word for a slow swelling wave or undulation, while 波動 is more formal and often used figuratively or technically.
波動 is a formal, scientific term for wave motion or vibration, while ウェーブ is a casual borrowed word used in practical contexts like audio or physics class.
波動 is an abstract term for wave motion used in science or spiritual contexts, while 波 is the concrete physical wave itself.
Compound of 波 (wave) and 動 (motion). The exact historical derivation is uncertain, but the spelling is conventionally associated with wave motion.