Aam•pac•ity /æm pæsti/ am-pas-i-tee, noun, plural -ties, adjectivenoun1. The current-carrying, power creating ability of someone, spot, or thing particularly, but not limited to, an actress, a city, or a drumbeat.Example: “Her aampacity alone would have been adequate adequate to light every candle when you look at the bar.”2. The aampacity of people, location, or thing, can also be expressed, and in theory calculated, in aamperes. Theoretically, each person, place, or thing holds a maximum and minimal load holding ability.adjective1. reaching/having reached maximum aampacity, e.g. an aampacity artwork; an aampacity crowd; an aampacity site; an aampacity experiment.