noun: (pathology, neurology) Initialism of chronic traumatic encephalopathy. [(pathology, neurology) a form of traumatic brain injury; it is a progressive degenerative disease found in individuals who have been subjected to multiple concussions and other forms of head injury]
noun: (physics) Initialism of coefficient of thermal expansion. [(physics) The fractional change in size of a material as it is heated through one degree]
noun: (databases, countable) Initialism of common table expression.