: the action or technique of acquiring: like a : the whole process of growth and differentiation by which the potentialities of a zygote, spore, or embryo are understood b : the gradual progress by evolutionary levels : evolution Find the earth's most intriguing ordeals with our weekly e-newsletter delivered https://texas09753.mappywiki.com/800306/how_construction_can_save_you_time_stress_and_money