Any of the group of rays of the order Torpedodiniformes, which can produce an electric discharge.

(computer graphics) The calculation of intersections between a ray and a surface.

plural of x-ray

(obsolete) X-ray

Alternative letter-case form of X-ray

Alternative spelling of X-ray

Any of a class of large, circular stone disks, carved out of limestone, in the island of Yap, Micronesia

plural of rai stone

plural of manta ray

plural of γ ray