dimensionality

/dɪˌmɛnʃəˈnæləti/
noun
  1. The quality or state of having dimensions, especially in terms of number of dimensions.
    • In art, dimensionality gives a painting a sense of depth.
    • The dimensionality of the space affects how objects move within it.
    • The mathematician studied the dimensionality of the data set.
  2. The complexity or number of aspects in a situation or problem.
    • The dimensionality of the issue made it hard to solve.
    • We need to reduce the dimensionality of the problem to understand it better.
    • Her research explored the dimensionality of human personality.