13-Letter Words Containing: O,T,T,O,I,R

• the quality of being parallel to the horizon

• surgical removal of the thyroid gland

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

• a document giving an official instruction or command

• the power or right to give orders or make decisions

• official permission or approval

• the act of conferring legality or sanction or formal warrant

• the production or use of theories

• the person who operates the projector in a movie house

• the process of coughing up and spitting out

• the act of spitting (forcefully expelling saliva)