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Glossary » Units » Radiation, Specific Energy » Gray
Gray (Gy) is a unit in the category of Radiation, specific energy. It is also known as grays, greys. This unit is commonly used in the SI unit system. Gray (Gy) has a dimension of L2T-2 where L is length, and T is time. This unit is the standard SI unit in this category.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).

Other units in the category of Radiation, specific energy include Kerma, Kilogray (kGy), Megarad (Mrd), and Rad (rd).

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Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.