14-Letter Words Containing: A,R,T,O,O,N,S

• use an apostrophe

• a polyhedron whose faces are trapeziums

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

• abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)

• a piece of harmonized music

• singing in harmony

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

• an approximate calculation of quantity or degree or worth

• the quality of coming near to identity (especially close in quantity)

• an imprecise or incomplete account

• the act of bringing near or bringing together especially the cut edges of tissue