Choudenshi

Choudenshi, also romanized as Chōdenji or Choudenji, is a term from Japanese science fiction used to describe technologies, devices, or powers that derive from electromagnetism and are depicted as advanced or extraordinary. The word combines 超 (super) with 電磁 (electromagnetism), and in English-language discussions it is commonly rendered as choudenji or chōdenji.

The concept is particularly associated with tokusatsu, mecha anime, and related genres, where it is used to name weapons, suits, booster systems, and robotic or energy-based powers. Choudenji elements are often presented as high-energy, technological prowess that enables feats beyond ordinary physics, contributing to a distinctive retro-futuristic aesthetic characteristic of late 20th-century Japanese science fiction.

Notable uses include the television series Choudenji Sentai Denjiman, a 1980–1981 Super Sentai season in which the team's powers and devices are described in terms of electromagnetic energy, and the classic mecha series Choudenji Robo Combattler V (1976–1977), which features a robot formed and operated through electromagnetic technology. These works helped popularize the term and solidified its association with transformative devices and energy-based heroism.

In broader culture, choudenji is often cited as an example of how electromagnetic themes were imaginatively extended into weaponry, armor, and giant robots during the Showa era. See also: Choudenji Sentai Denjiman; Combattler V.