n. 1 immersing or being immersed. 2 baptism by total bodily immersion. 3 mental absorption. immersion heater n. electric device immersed in a liquid to heat it, esp. in a hot-water tank.
n. 1 immersing or being immersed. 2 baptism by total bodily immersion. 3 mental absorption. immersion heater n. electric device immersed in a liquid to heat it, esp. in a hot-water tank.
