magnetic mine
Học thuậtThân thiện
Definition
Noun: A type of underwater explosive device, typically used in naval warfare, that is designed to detonate when it detects the presence of a magnetic field, such as the one generated by the steel hull of a ship.
Usage
The term "magnetic mine" is used to describe a specific class of naval mine. It functions as a subject or object in a sentence. * The navy deployed magnetic mines to protect the harbor entrance. * The ship's crew was trained in procedures to avoid triggering a magnetic mine. * Sweeping for magnetic mines is a dangerous but essential operation.
Advanced Usage
- Historical Context: Magnetic mines were used extensively during World War II, representing a significant technological advancement in naval warfare that forced the development of countermeasures like degaussing (reducing a ship's magnetic signature).
Variants and Related Words
- Marine mine (noun): The general category of explosive naval weapons to which magnetic mines belong.
- Influence mine (noun): A broader term for mines detonated by the influence (magnetic, acoustic, pressure) of a target, as opposed to contact mines.
- Degaussing (verb/noun): The process of reducing or eliminating the magnetic field of a ship to protect it from magnetic mines.
Synonyms
- Naval mine (general synonym, though not specific to the detonation mechanism)
- Sea mine (general synonym)
Related Phrases
- To lay/sow magnetic mines: The act of deploying these weapons.
- To sweep for magnetic mines: The act of searching for and neutralizing these weapons.
- Mine countermeasures (MCM): Operations and vessels dedicated to dealing with naval mines, including magnetic types.
Noun
- (nautical) a marine mine that is detonated by a mechanism that responds to magnetic material (as the steel hull of a ship)