gray1 (ɡreɪ) ![]() | |
| —adj, —n, —vb | |
| a variant spelling (now esp US) of grey | |
| 'grayish1 | |
| —adj | |
| 'grayly1 | |
| —adv | |
| 'grayness1 | |
| —n | |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
gray (grā)
n.
Abbr. Gy
A unit for a specific absorbed dose of radiation equal to 100 rads.
Gray (grā), Henry. 1825?-1861.
British anatomist whose work Anatomy, Descriptive and Surgical (1858), known as Gray's Anatomy, remains a standard text.
| gray (grā) Pronunciation Key
The SI derived unit used to measure the energy absorbed by a substance per unit weight of the substance when exposed to radiation. One gray is equal to one joule per kilogram, or 100 rads. The gray is named after British physicist Louis Harold Gray (1905-1965). |