noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The magnetism of the Earth in the geologic past; the study and measurement of this magnetism in order to date a specimen with iron. uncountable
2. 2
   The magnetism induced by the Earth's magnetic field in magnetizable matter after heating to the Curie temperature; directional magnetism, thermoremanent magnetism. uncountable

Synonyms

All synonyms

directional magnetismthermoremanent magnetism

Etymology

From archaeo- + magnetism.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.