12-Letter Words Containing: S,C,L,E,R,O,U,S

• a large bomb used to demolish extensive areas (as a city block)

• an unusually successful hit with widespread popularity and huge sales (especially a movie or play or recording or novel)

• carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end

• physical energy or intensity

• an X-ray machine that combines an X-ray source and a fluorescent screen to enable direct observation