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subfield

noun

subfield is a noun meaning “A smaller, more specialized area of study or occupation within a larger one” (English Wiktionary, September 2026). It is spelled S-U-B-F-I-E-L-D, and it appears about once in every 7 million words in written English (wordfreq, 2021 data). The plural of subfield is subfields.

What does subfield mean?

noun

  1. 1

    A smaller, more specialized area of study or occupation within a larger one

  2. 2

    A subring of a field, containing the multiplicative identity and closed under inversion.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce subfield?

  • US

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-subfield.wav, Wikimedia Commons (author and licence on each file's page).

Forms of subfield

  • subfields plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is subfield?

Subfield appears about once in every 7 million words in written English, the 79,518th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Subfield in Spanish, French, German and Portuguese

LanguageWords
GermanTeilgebiet (specialized area of study), Unterkörper, Teilkörper (algebraic structure)
Portuguesesubárea, subcampo (specialized area of study)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does subfield come from?

From sub- + field.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).