Tetrode (disambiguation)
# Tetrode (disambiguation)

Tetrode can refer to:

* Tetrode, an electronic device with four active electrodes, such as a vacuum tube
   * Beam tetrode
   * Field-effect tetrode, a solid-state device
* Tetrode (biology), an electrode used in biology to sample neural signals
* Tetrode transistor, a transistor with four active terminals
* Sackur–Tetrode equation, an expression for the entropy of a monatomic classical ideal gas
* Hugo Tetrode, a Dutch physicist (1895–1931)
* Willem Danielsz van Tetrode, a Dutch sculptor (ca. 1530 – ca. 1587)
