Maximal atlases are needed for the unambiguous definition of smooth maps from one manifold to another.
An unambiguous definition of "groundwater model" is difficult to give, but there are many common characteristics.
The analysis of function requires concise and unambiguous definition of the functions performed by the part investigated.
Adding to the confusion, the term rheumatoid itself lacks a consistent, unambiguous definition.
Addressing your question directly: Density has an unambiguous definition: The mass per unit volume.
Clearly an unambiguous definition of what constitutes child abuse is fundamental for the efficacy and utility of the model described above.
As there is no single, unambiguous definition of "species" this determination can be time-consuming and subject to discussion and disagreement.
There is no unambiguous definition of "postal history."
There is an urgent need to clarify this concept, however, and establish an unambiguous definition of what the territorial dimension involves.
The first thing to be done is to arrive at an unambiguous definition of the term frontier worker.