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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


The country code for Guyana.
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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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References in periodicals archive ?
fable of the Ring of Gyes. This magical ring allowed its wearer to
The provisions linked to minimum pensions, such as child-care allowance (GYES for short), child-care support (GYET for short), and family allowance have all remained unchanged since 2008.
"Sad and Glad,'' involving an encounter between a former couple (Gyes and Julianne McGourty) at the "Moose Paddy,'' cleverly illustrates the compensatory results that love can sometime bring.