The definition of inbound is something that moves inward. An example of inbound is the freeway that goes toward the city center. 1  traveling or going inward.  Basketball inbounds.
Mass is a measurement of how much matter is in an object. Mass is a combination of the total number of atoms, the density of the atoms, and the type of atoms in an object. How to Measure Mass.
Mass Measurement. In the biology laboratory, mass â the quantity of matter in something â is often measured with a balance, which is a tool that worlds by comparing an object of unknown mass with an object of known mass. The triple-beam balance or an electronic balance is typically found in a high school laboratory.