noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A physical region that makes up part of an area.
2. 2
   Part of a topic or discipline.

   "Books like this aim to arrive at a more unified understanding of a broad area, and how its subareas are related."

Example

More examples

"Deep learning is a subarea of machine learning, which in turn is a subarea of artificial intelligence (AI)."

Etymology

From sub- + area.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.