14-Letter Words Containing: A,F,I,O,O,R,T

• the act of making formal (as by stating formal rules governing classes of expressions)

• (mathematics) the resolution of an expression into factors such that when multiplied together they give the original expression

• the act of treating something to make it repel water

• a coating capable of making a surface waterproof

• A fibroblastic sarcoma: a malignant tumor derived from fibrous connective tissue

• defensive structure consisting of walls or mounds built around a stronghold to strengthen it

• the art or science of strengthening defenses

• the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or the addition of vitamins to food)

• information that is incorrect