IPA: /ˈfɪzɪsɪst/
KK: /ˈfɪzɪsɪst/
A scientist who studies matter, energy, and the laws of nature.
The physicist conducted experiments to understand the behavior of particles.
Physicist → It is formed from "physica" (from Greek "physikē", meaning nature or natural science) and "-ist" (meaning one who practices or is concerned with). A physicist is someone who practices or is concerned with the study of nature and natural phenomena.
Think of someone who studies the 'nature' ('physica') of things — that's what a physicist does.