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space or a medium without permanently displacing matter. While the individual particles of the medium vibrate or oscillate in place, the wave itself propagates forward, carrying energy with it. For a clear, animated breakdown of how wave...

go his preaching. Her health was improving day by day. His mood fluctuates from day to day. fluctuate = vaccilate. oscillate. chop 동요하다. 흔들리다 She cooked and cleaned day in, day out for forty years. He plays the piano day in and...

at" or "to view"). It describes an instrument designed to visually display (scope) alternating electrical signals, which oscillate or swing back and forth. Key Etymological Points: Root Components: Oscillo- (from Latin oscillare, "to...

energy unit and inflated with room air. When reaching a pressure of 95 mbar the soft pin inside the tip started to oscillate at a frequency of 68 Hz. The oscillations generated vibrations to the nostril mucosa. Each treatment lasted for...