The distance from a point to a line or plane measured along the line perpendicular to the line or plane which passes through the given point. It is the shortest distance between the point and any given point on the line or plane.
- assimilation
- assimilation-fractional crystallization
- Assisted Area
- assisted reproductive technology
- assistive technology
- assizes
- associate
- associated liquid
- associated number
- associate program
- association
- association centre
- Association for Computing Machinery
- associationism
- Association of Caribbean States
- association of ideas
- Association of South‐East Asian Nations
- Association of Specialist Technical Organizations for Space
- Association of Universities for Research in Astronomy
- association (plant association)
- association, stellar
- associative
- associative addressing
- associative law
- associative memory