aclinic
/eɪˈklɪnɪk/
adjective
- Relating to a line on a map where the magnetic inclination (dip) is zero, meaning a compass needle is perfectly horizontal.
- The aclinic line is also known as the magnetic equator.
- Near the aclinic line, a compass needle does not tilt up or down.
- Scientists study aclinic points to understand Earth's magnetic field.