12-Letter Words Containing: S,C,H,N,O,R,R,_

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

• an accurate timer for recording time

• an organic compound containing only carbon and hydrogen

• a bitter yellow powder used to treat skin diseases

• fortuneteller who predicts your future by the lines on your palms

• a mixture of antibiotics applied locally to infections caused by Gram-positive bacteria