11-Letter Words Containing: O,R,O,S

• hard monotonous routine work

• heavy wood of various brazilwood trees; used for violin bows and as dyewoods

• tropical tree with prickly trunk; its heavy red wood yields a red dye and is used for cabinetry

• a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

• producing or possessing or resembling rhizomes

• severe malnutrition in children resulting from a diet excessively high in carbohydrates and low in protein

• surgical procedure in which spinal nerve roots are cut; done (anterior roots) to relieve intractable pain or (posterior roots) to stop severe muscle spasms