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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.

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

But in this subfield of math, the only rule is that nothing ever adds up.

From Slate • Jan. 30, 2024

Its fresh data has transformed this research area from a fringe pursuit to a vibrant, established subfield of planetary science.

From Scientific American • Jul. 28, 2022

He seemed disappointed in Mr. Summers, whom he regards as a brilliant economist who has strayed into a subfield where Mr. Zucman claims more expertise.

From New York Times • Feb. 21, 2020

I suffer the daily experience of being baffled by articles in my field, my subfield, even my sub-sub-subfield.

From "The Sense of Style" by Steven Pinker