ˈpen.ˌtōd noun
( -s )
Etymology: International Scientific Vocabulary penta- + -ode
: a vacuum tube with five electrodes including a cathode, an anode, a control grid, and two additional grids or other electrodes
ˈpen.ˌtōd noun
( -s )
Etymology: International Scientific Vocabulary penta- + -ode
: a vacuum tube with five electrodes including a cathode, an anode, a control grid, and two additional grids or other electrodes
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012