from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The study or application of electromagnetic energy whose basic unit is the photon, incorporating optics, laser technology, electrical engineering, materials science, and information storage and processing.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the science and technology of generating and controlling photons, particularly in the visible and near infrared light spectrum
photon (light) + -ics (pertaining to) (Wiktionary)