IPA: /rɪˌfræktəˈmɛtrɪk/
KK: /rɪˌfræktəˈmɛtrɪk/
Related to the measurement of how light bends when it passes through different substances using a specific instrument.
The refractometric analysis revealed the concentration of the solution.
Refractometric → It is formed from "re-" (meaning again), "frangere" (meaning to break), and "-metric" (from Greek "metron", meaning measure). The word refers to the measurement of the bending or breaking of light as it passes through different mediums.
Think of light 'breaking' ('frangere') as it passes through different materials, and 'measuring' ('-metric') that effect — that's what refractometric means.