Rhinoptera bonasus, an eagle ray found throughout a large part of the western Atlantic and Caribbean.

A perennial European grass (Lolium perenne); rye grass; red darnel.

plural of ray grass

A discredited hypothetical form of radiation described in 1903.

Any of a group of cartilaginous fishes in the family Myliobatidae, consisting mostly of large species living in the open ocean rather than on the sea bottom.

(electricity) A ray consisting of a stream of electrons in a vacuum tube, that are emitted by the cathode and accelerated towards the anode by an electric field.

A European skate, Amblyraja radiata, with stellate bases on the dorsal spines.

A program or algorithm for ray tracing.

plural of ray tracer

plural of ray gun