12-Letter Words Containing: X,N,U,T

• in a way that was not expected

• without advance planning

• abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)

• The xiphoid process, a small cartilaginous extension to the lower part of the sternum, usually ossified in the adult human.

• formation of a word by means of a suffix

• of a conditioned response; caused to die out because of the absence or withdrawal of reinforcement

• extremely painful

• in a manner dependent on context