Subfield
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up subfield in Wiktionary, the free dictionary.
Subfield may refer to:
- an area of research and study within an academic discipline
- Field extension, used in field theory (mathematics)
- a Division (heraldry)
- a division in MARC standards