IPA: /ˌkɒlərɪˈmɛtrɪk/
KK: /kəˌlɔːrəˈmɛtrɪk/
Relating to the measurement of color, often using a device called a colorimeter to analyze the intensity or quality of colors.
The colorimetric analysis revealed the exact concentration of the dye in the solution.
Colorimetric → It is formed from "color" (from Latin "color", meaning hue or tint) and "-metric" (from Greek "metron", meaning measure). The word "colorimetric" refers to the measurement of color or the determination of color intensity.
Think of measuring a "color" and how "-metric" relates to measurement — that's why colorimetric means measuring color.