Definition of "subset" []

• A set contained within a set. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Indeed, the bigger point to be made is that empiricism is all that we have to explain anything that we wish to understand, “physics” being only what we call a subset of empirically-based theories."
• "Re: my use of spanish phrases, it pisses off a certain subset of conservatives, just like my "People Eating Tasty Animals" hat pisses off a certain subset of liberals."
• "Yeah, I'm not sure how high parental involvement is ever going to be outside of a certain subset of small upper-middle-class schools."