AOR is an abbreviation of Album Oriented Rock, or , originally an American FM radio format focusing on album tracks by rock music artists rather than singles releases.
In some markets the term AOR was re-positioned as Adult Oriented Rock, implying that 'adults' were more likely to buy albums rather than singles, and latterly the concept of "albums" has been seen as obsolete in the compact disc era.
AOR) is the US Navy hull classification symbol for Replenishment Oiler