picowave

/ˈpaɪkəˌweɪv/
noun
  1. A very short electromagnetic wave with a wavelength in the picometer range, used in some scientific and medical applications.
    • The lab uses picowaves to study the structure of molecules.
    • Researchers generated a picowave pulse lasting only a few picoseconds.
    • Picowave technology is being explored for advanced imaging techniques.