Gray
- Proper noun. (surname, from Middle English) ; originally a nickname for someone with a gray beard or hair.
- Adjective. (chiefly, US) grey.
- Noun. (chiefly, US) grey; an achromatic colour.
- Noun. (two-up, lang en) A penny with a tail on both sides, used for cheating. (Reference: Sidney J. Baker, ''The Australian Language'', second edition, 1966, chapter XI section 3, page 243.).
- Noun. (context, ufology) an extraterrestrial creature with gray skin, bulbous black eyes, and an enlarged head.
- Verb. (US) To become gray or cause to become gray.
- Noun. In the International System of Units, the derived unit of absorbed dose of radiation (radiation absorbed by a patient); one joule of energy absorbed per kilogram of the patient's mass. Symbol: ''Gy''.
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This entry was last updated on RefTopia from its source on 3/20/2012.