fluid mechanics
branch of physics concerned with the mechanics of fluids (liquids, gases, and plasmas) and the forces on them; branch of continuum mechanics
en-GB/ˈfluːɪd mɪˈkænɪks/
en-US/ˈfluɪd məˈkænɪks/
branch of physics concerned with the mechanics of fluids (liquids, gases, and plasmas) and the forces on them; branch of continuum mechanics