subfield
Noun
Meaning
A smaller, more specialized area of study or occupation within a larger one
(algebra) A subring of a field, containing the multiplicative identity and closed under inversion.
Source: en.wiktionary.orgAnagrams
Examples
Briefly, the basefield has to contain an ordered subfield in order for non-negativity to make sense, citation.
Although Davis's theory is not entirely accurate, it was absolutely revolutionary and unique in its time and helped to modernize and create Geography subfield of Geomorphology.
Convex minimization is a subfield of optimization that studies the problem of minimizing convex functions over convex sets.
Although such controllers need not be electrical many are and hence control engineering is often viewed as a subfield of electrical engineering.
A subfield of marine biology studies the relationships between oceans and ocean life, and global warming and environmental issues (such as carbon dioxide displacement).
Every computable real number is arithmetical, and the arithmetical numbers form a subfield of the reals, as do the analytical numbers.