Tertiary
Deterioration is commonly used in healthcare because of the many uses of the word. It is generally used to describe the worsening of a condition or injury.
Melting Pot is a term used to describe a region that is highly culturally diverse.
The term "recurve" means to bend backwards. This term could be used to describe the actions of a highly trained gymnast, who would "recurve" many times during a routine.
Brachium
ya primary complex is acommunicable disease. a primary complex is a term used to describe tuberculosis of the lungs, this term is used when being applied to children who have the infection. Children is not communicable, it's always been from adult to adult or from adult to child but never from child to child or from child to adult.
Since the variable may be real or complex, there is no single word or phrase to describe such a thing.
terms of interference complex
Covariance is the term to describe how much two random objects change together in a given set of circumstances. It's study is entirely specialised and results in some exceptionally complex equations.
The iron triangle refers to the complex relationship between interest groups, Congress, and the federal bureaucracy.
The term, 'complex circuit', is misleading, as they are not necessarily (but often are) complicated. A 'complex circuit' is simply a category used to describe any circuit that isn't a 'series', 'parallel', or 'series-parallel' circuit. This usually means that special theorems (e.g. Kirchhoff's, Norton's, Thevenin's, etc.) must be used to solve complex circuits.
Society is: as complex as a rubric as ignorant as an inbred goat a term we use to describe collective action, much as a wolf delineates a certain howl to call to her pack
Healthcare is not free anywhere. That term generally refers to government provided healthcare which is paid for by tax dollars.