Radiation darkening Synonyms

Definitions for Radiation


  • (noun) the act of spreading outward from a central source
  • (noun) a radial arrangement of nerve fibers connecting different parts of the brain
  • (noun) the spread of a group of organisms into new habitats

Synonyms for phrase

RD abbreviation

RD is an abbreviation for Radiation Darkening
What does RD stand for?
RD stands for "Radiation Darkening"

Definitions for Darkening


  • (adjective) causing or marked by an atmosphere lacking in cheer
  • (noun) changing to a darker color
  • (adjective) becoming dark or darker as from waning light or clouding over