The meaning of EXPLORATION is the act or an instance of exploring. How to use exploration in a sentence., EXPLORATION definition: 1. the activity of travelling to and around a place, especially one where you have never been or…. Learn more., Exploration definition: an act or instance of exploring or investigating; examination.. See examples of EXPLORATION used in a sentence., n. The act or an instance of exploring: Arctic exploration; exploration of new theories., exploration is one of the 5,000 most common words in modern written English. It is similar in frequency to words like alien, fiscal, investor, reporter, and somewhere., Exploration refers to the act or process of seeking knowledge, understanding, or new experiences in unfamiliar or uncharted territories, whether it be physical locations, scientific fields, conceptual ideas, or personal growth..