Answer: shader

AnswerCrossword Clue
shaderundergo or exhibit minute difference or variation
shaderrepresent the effect of shade or shadow on
shaderchange by gradual transition or qualification
shaderhide partly by or as if by a shadow
shaderant bias
shaderadd shading to
shaderbetter or exceed by a shade
shaderto shelter or screen by intercepting radiated light or heat
shaderpass by slight changes or imperceptible degrees
shaderreduce slightly (as a price)
SHADERLight blocker
shaderone that shades (to screen from light or heat)
shadercover with a shade
shaderdarken with or as if with a shadow
shadercolor so that the shades pass gradually from one to another
SHADERParasol, e.g.
SHADERBeach umbrella, e.g.
SHADERStippler.
SHADERElm, often