Magnetism. Material used as the keeper of a magnet; (as a count noun) = keeper, n. 6b. Cf. armature, n. 4a. Obsolete.
| 单词 | θ78117 |
| 释义 | the world > matter > physics > electromagnetic radiation > magnetism > magnetic devices or materials > [noun] > armature (3) armour1613 Magnetism. Material used as the keeper of a magnet; (as a count noun) = keeper, n. 6b. Cf. armature, n. 4a. Obsolete. armature1747 Magnetism. = keeper, n. 6b. keeper1837 A bar of soft iron placed across the poles of a horseshoe magnet to prevent loss of power; an armature. |
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