nonlinearity

/ˌnɑnˈlɪniˌɛrəti/
noun
  1. The quality or condition of not following a straight line or simple, predictable pattern; a situation where output is not directly proportional to input.
    • The nonlinearity of the stock market makes it hard to predict future prices based on past trends.
    • Students learned about nonlinearity in math class when they studied curves instead of straight lines.
    • The nonlinearity of the material means it stretches more as you pull harder, but not in a simple way.
Antonyms
What does "nonlinearity" mean? | whatsthatwordmean | whatsthatwordmean