POPULATION

noun Etymology: Late Latin ~-, populatio, from Latin populus Date: 1612 1. the whole number of people or inhabitants in a country or region, the total of individuals occupying an area or making up a whole, the total of particles at a particular energy level, the act or process of populating, 3. a body of persons or individuals having a quality or characteristic in common, b. the organisms inhabiting a particular locality, a group of interbreeding organisms that represents the level of organization at which speciation begins, a group of individual persons, objects, or items from which samples are taken for statistical measurement, ~al adjective