Impenetrable reflector Synonyms

Definitions for Impenetrable


  • (adjective) impossible to get through or into
  • (adjective) being beyond one's powers to know, understand, or explain
  • (adjective) impossible to understand

Synonyms for phrase

IR abbreviation

IR is an abbreviation for Impenetrable Reflector
What does IR stand for?
IR stands for "Impenetrable Reflector"

Definitions for Reflector


  • (noun) device that reflects radiation
  • (noun) optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece