- Two angles whose sum is 90°.互余角：两个角的和等于90°
- middle-of-the-road
- Middle Palisade
- Middle River
- middles
- Middlesbrough
- middle school
- Middlesex Community College (Connecticut)
- Middlesex Community College (Massachusetts)
- Middlesex County College
- Middle Stone Age
- Middle Tennessee State University
- middle term
- Middleton
- Middletown
- middleweight
- Middle Welsh
- Middle West
- middle–aged
- middle–of–the–road
- middling
- middling
- middlings
- middy
- middy blouse
- Mideast