what does curvilinear correlation mean?

CURVILINEAR CORRELATION as NOUN

Meaning
- any correlation in which the rates of change of the variables is not constant
Synonym(s)
- nonlinear correlation (what does nonlinear correlation mean?)
- skew correlation (what does skew correlation mean?)
Hypernyms(s) curvilinear correlation is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- correlation (what does correlation mean?)
- correlational statistics (what does correlational statistics mean?)