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gray

A unit of measurement of absorbed radiation. Part of the SI system of measurement, one gray (Gy) is equal to one joule per kilogram. The gray is 100 times greater than the "rad," which was the unit of measurement it replaced. See joule, SI units and radiation hardened.

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gray

the derived SI unit of absorbed ionizing radiation dose or kerma equivalent to an absorption per unit mass of one joule per kilogram of irradiated material. 1 gray is equivalent to 100 rads.

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Gray

1. Simon (James Holiday). born 1936, British writer: his plays include Butley (1971), The Common Pursuit (1988), Life Support (1997), and Japes (2001)

2. Thomas. 1716--71, English poet, best known for his Elegy written in a Country Churchyard (1751)

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gray [grā]

(nucleonics)

The International System unit of absorbed dose, equal to the energy imparted by ionizing radiation to a mass of matter corresponding to 1 joule per kilogram. Symbolized Gy.

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gray

color of the uniform of the Confederate soldier. [Am. Hist.: NCE, 566]

See : Southern States

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Gray - A parser generator written in Forth by Martin Anton Ertl <anton@mips.complang.tuwien.ac.at>. Gray takes grammars in an extended BNF and produces executable Forth code for recursive descent parsers. There is no special support for error handling. Version 3 runs under Tile Forth Release 2 by Mikael Patel.