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subfield

American  
[suhb-feeld] / ˈsʌbˌfild /

noun

Mathematics.
  1. a field that is a subset of a given field.


Etymology

Origin of subfield

First recorded in 1945–50; sub- + field

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Messrs. Curtin and Burgess show that the method underlying this subfield of economics can’t do what researchers claim it can.

From The Wall Street Journal • Apr. 29, 2026

Discola studies criminal victimology, a subfield of criminology focused on the victim experience.

From Slate • Aug. 7, 2024

Computer vision is a subfield of AI that deals with the ability of computers to interpret and analyze visual data from the world.

From Science Daily • Jun. 3, 2024

That practice has spawned an entire subfield of scientific inquiry known as dendrochronology.

From New York Times • Mar. 9, 2024

Expertise in a subfield was the key to a successful career as an engineer, and expertise was becoming a necessity for the mathematicians and computers as well.

From "Hidden Figures" by Margot Lee Shetterly