- line integral
- line integral of the first kind
- line integral of the second kind
- line integral with respect to arc length
- line integral with respect to coordinates
- line of forces
- line perpendicular to horizontal plane
- line perpendicular to profile plane
- line perpendicular to vertical plane
- line rank
- line regression
- line sampling
- line segment
- line segment
- line segment in Rn
- line smoothing
- line through opposite vertex of simple quadrangle
- linguistics method
- link
- link
- linked complex
- link function
- linking loader
- link type
- Lin Shie-Zhao Fangxiong method