11-Letter Words Containing: NOS_

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

• plants of the class Gymnospermae having seeds not enclosed in an ovary

• capable of being known

• Any of a group of protozoan parasites which are transmitted by biting insects and infect the blood of humans and other vertebrates.

• To flatter someone (especially a superior) in an obsequious manner, and to support their every opinion.

• the first practical television-camera for picture pickup; invented in 1923 by Vladimir Kosma Zworykin