Definition of photomixing in US English:

photomixing

noun

Electronics
  • The mixing of light waves or terahertz waves in a heterodyne or homodyne process.

Origin

1960s; earliest use found in Applied Optics. From photo- + mixing, after photomixer.

Pronunciation

photomixing

/ˈfəʊtəʊmɪksɪŋ/