any body that emits radiation at each wavelength in a constant ratio less than unity to that emitted by a black body at the same temperature.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use gray body in a sentence
As it was, I looked down in the clear water and saw the huge, gleaming, gray body of the whale as he passed.Tales of Fishes | Zane Grey
And she pointed to a gray body disappearing down a hole in one of the corners of the room.The Lost Despatch | Natalie Sumner Lincoln
Half an inch more—an inch, two inches, and he gave his big gray body a hunch toward her.Kazan | James Oliver Curwood
A few pieces of a light-gray body in the Egyptian collection were excellent both in form and in their many-colored decoration.Pottery and Porcelain, from early times down to the Philadelphia exhibition of 1876 | Charles Wyllys Elliott
One of the earlier attempts has a gray body coated with white pipe-clay slip obtained at Bideford in North Devon.The Cultural History of Marlborough, Virginia | C. Malcolm Watkins