lodestone

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically

Etymology

First attested from 1515, from Middle English lode (“guide”) + stone. From use as a guide tool by mariners. See also: lodestar.

In classic literature

Synonyms

loadstone

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