"Conductor" Natural Recordings by Native Speakers
A person who directs the performance of a musical composition or a train or other vehicle: a person who controls or supervises the movement of trains or other vehicles, especially on a railway.
Conductometry is a Technique used to measure the conductivity or electrical conductivity of a solution, typically in physics, chemistry, and biology. It's used to analyze the concentration of ions, acids, and bases in a solution, and it's often used in research, quality control, and academic settings.