conductorconductor /kənˈdʌktɚ/ ●●○ noun [countable] 1
eng. lang. arts someone who stands in front of a group of musicians or singers and directs their playing or singing2someone who is in charge of a train and collects payments from passengers or checks their tickets3science, physics something that allows electricity or heat to travel along it or through it: Wood is a poor conductor of heat.
eng. lang. arts someone who stands in front of a group of musicians or singers and directs their playing or singing2someone who is in charge of a train and collects payments from passengers or checks their tickets3science, physics something that allows electricity or heat to travel along it or through it: Wood is a poor conductor of heat.