Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • adj. Of or relating to a material that undergoes a change in refractive index when subjected to light or an electric field.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • adj. of or relating to a change in refractive index in the presence of light
  • Word Usage
    "General manager Paul Holmgren says Briere will have a procedure called photorefractive keratectomy."
    Words with the same terminal sound