A sine wave is a mathematical function that describes a smooth oscillating pattern. Some synonyms for this term include sine curve, sinusoidal signal, sinusoidal wave, and simply sine. The use of these different terms may depend on the context, such as in physics, engineering, or mathematics. The essential characteristics of a sine wave include a continuous waveform that repeats itself at regular intervals and an amplitude that remains constant over time. Sine waves are common in electrical circuits, audio systems, and radio transmissions due to their harmonic properties. Understanding synonyms for sine waves can help clarify technical language and make communication more precise in these fields.