growing, growth, ontogenesis, ontogeny, maturation, development - (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children"

growth rate, rate of growth - the rate of increase in size per unit time

mapping, map, correspondence - a function such that for every element of one set there is a unique element of another set

elevation - distance of something above a reference point (such as sea level); "there was snow at the higher elevations"

equality - the quality of being the same in quantity or measure or value or status