point-spread function
Science
noun
The spatial extent of the image of a point; a mathematical expression giving this for a particular optical system.
Origin
1950s.
- active matrix
- activeness
- active obedience
- active optics
- active-passive
- active roster
- active service
- active site
- active transport
- active voice
- activewear
- activin
- activism
- activist
- activistic
- activity
- activity for daily living
- activity of daily living
- activity ratio
- activity sampling
- activity series
- activity wheel
- activo-passive
- actless
- act of contrition