gray

Make grey.

Turn grey.

A neutral achromatic color midway between white and black.

Horse of a light gray or whitish color.

Any organization or party whose uniforms or badges are grey.

English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965).

Clothing that is a grey color.

United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888).

The SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad.

English poet best known for his elegy written in a country churchyard (1716-1771).

American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806).

Of an achromatic color of any lightness intermediate between the extremes of white and black.

“gray flannel suit”

Intermediate in character or position.

Showing characteristics of age, especially having grey or white hair.

Used to signify the Confederate forces in the American Civil War (who wore grey uniforms).