noun
- Lines on a map or diagram connecting points of equal magnetic inclination (dip angle).
Usage: technical; geology/geophysics; plural form of isoclinal
Examples
- Geophysicists use isoclinals to map variations in Earth's magnetic field across regions.
- The isoclinals on the chart show where the magnetic needle dips at the same angle.
- Navigation charts often include isoclinals to help pilots account for magnetic inclination.
- Researchers plotted isoclinals across the continent to study magnetic anomalies.