- a mine designed to activate when a magnetic field such as that generated by the metal of a ship's hull is detected
WordReference Random House Unabridged Dictionary of American English © 2026
magnet′ic mine′, [Navy.]
- an underwater mine set off by any disturbance of its magnetic field, as by the metal hull of a ship. Cf. acoustic mine, contact mine.
- 1935–40
Collins Concise English Dictionary © HarperCollins Publishers::
magnetic mine n
'magnetic mine' also found in these entries (note: many are not synonyms or translations):