noun A principle holding that two or more solutions to a linear equation or set of linear equations can be added together so that their sum is also a solution.
noun A principle holding that two or more states of a physical system can be added together to create an additional state. from Wiktionary, Creative Commons Attribution/Share-Alike License.
noun mathematics, physics: The principle that a linear combination of two or more solutions of an equation is itself a solution; it is a feature of many physical laws from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
See Also
Additive and Subtractive Frequency and Amplitude Modulation - AM and FM
Harmonic
Law of Cycles
Law of Superposition
Overtone
Overtone series
superposition
1.23 - Power of Harmonics through Summation Tones
9.9 - Sympathy or Harmony Between Harmonics or Overtones