specific gravity
1.a form of a substance, whether gas, liquid, or solid; ice is the solid phase of water
2.the density of a substance compared to water
3.amount of matter in an object
4.the smallest part of a substance into which it can be divided and still have the properties of that substance
5.taken from other sources; computed based upon other facts
2. the density of a substance compared to water
The correct answer for the definition of specific gravity is:
2. the density of a substance compared to water