footprint /ˈfʊtpɹɪnt/noun 11forms 1 noun11 •The impression of the foot in a soft substance such as sand or snow.“Yes, there are two distinct sets of footprints, both wearing rubber shoes—one I think ordinary plimsolls, the other goloshes,” replied the sergeant. — 1928 •The ecological impact of a human activity, machine, etc.My carbon footprint is very high. •A company's geographic market presence.The store, which is slated to open next month, increases the company's footprint in the market to 14 locations. •Availability of a satellite from the ground.When a satellite's footprint covers a wider area than intended, the footprint is said to “spillover” ^([sic]) into surrounding territory. — 2014 •Space required by a piece of equipment.This computer has a smaller footprint. •The amount of hard drive space required for a program. •The surface space occupied by a structure.Heavy debris would generally travel farther downrange within the debris footprint; lighter material would generally fall near the point of intercept. Footprint lengths can vary […] — 2007 •[in the plural] (figurative) What a person has done before, as a profession or lifestyle, serving as a model for others.He is following in his father's footprints. •The audit trail left by a crashed program. •A trace left behind that gives evidence of some action having occurred. •A polygon representing the shape of an item. formsfootprints