1. A diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators

Derived forms: magnetrons

Type of: electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube

Encyclopedia: Magnetron

• to scale
• to that
• to that degree
• to that effect
• to that extent
• to the contrary
• to the full
• to the highest degree
• to the hilt
• to the letter
• to the limit
• to the lowest degree
• to the point
• to the south
• to windward
• to wit
• to-do
• toad
• toad frog
• toad lily
• toad rush
• toad-in-the-hole
• toadfish
• toadflax
• toadshade