"Colourimetric" Natural Recordings by Native Speakers
Colourimetric refers to the process or method of determining the concentration of a substance or a chemical compound by measuring its colour intensity or absorption, typically using a spectrophotometer. In other words, it is a technique used to quantify the amount of a substance present in a sample based on its colour change or absorption spectrum.
Brightly colored or decorated; having a striking visual effect due to a variety of colors: "colourful flowers"