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Dictionary definition for: G

1. (n) a metric unit of weight equal to one thousandth of a kilogram

2. (n) a purine base found in DNA and RNA; pairs with cytosine

3. (n) one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

4. (n) the cardinal number that is the product of 10 and 100

5. (n) a unit of force equal to the force exerted by gravity; used to indicate the force to which a body is subjected when it is accelerated

6. (n) a unit of information equal to one billion (1,073,741,824) bytes or 1024 megabytes

7. (n) (physics) the universal constant relating force to mass and distance in Newton''s law of gravitation

8. (n) the 7th letter of the Roman alphabet

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