The term 'MATH WAVE' is a combination of two words: 'SINE' and 'WAVE'. SINE is a 4-letter word that refers to a mathematical function used to describe a smooth, repetitive oscillation. A wave is a disturbance that travels through space and time, transferring energy from one point to another. Together, the two words form the term 'MATH WAVE', which is used to describe a waveform created by combining multiple SINE waves. This type of waveform is commonly used in signal processing and other mathematical applications.