This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A subdivision of a field of study; a subdiscipline.

n. Mathematics A field that is a subset of another field.

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

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

"Survey of computational scientists in the subfield of machine learning, sampling American academics registered at the top Machine Learning conference, students and professors."

push-off    planetful    subgraph    subspaces    autoenrollment    message    subgroup    u    requestor    torus