英和和英

語源

stray +‎ light

名詞

straylight ‎(uncountable)

1. Light in an optical system, which was not intended in the design.
   • 2010, Joseph Besharse, ‎Reza Dana, Encyclopedia of the Eye, Volume 1

     Within the eye, there are four major sources that contribute to the total amount of straylight: the cornea, the iris and sclera, the eye lens, and the fundus (see Figure 3).

参照

• Stray light on Wikipedia.