grays

英文释义

n a neutral achromatic color midway between white and black
n clothing that is a grey color
n any organization or party whose uniforms or badges are grey
n horse of a light gray or whitish color
n 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
n English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965)
n English poet best known for his elegy written in a country churchyard (1716-1771)
n American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806)
n United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888)
v make grey
v turn grey