13-Letter Words Containing: A,T,T,O,O,N,S

• the act of positioning close together (or side by side)

• a side-by-side position

• the act of rendering optimal

• the production or use of theories

• the reduction of the value of an asset by prorating its cost over a period of years

• payment of an obligation in a series of installments or transfers

• establishing something (e.g. gold or silver) as the legal tender of a country

• the act of motorizing (equipping with motors or with motor vehicles)

• Any compound that is a product of photosynthesis.