torpedo
Refers specifically to self-propelled underwater weapons launched from ships, submarines, or aircraft. Often used in military contexts.
See also: 魚雷
The submarine launched a torpedo.
sea mine; underwater mine
Refers to stationary explosive devices placed in water to damage or destroy ships. Distinct from torpedoes (魚雷).
See also: 機雷
Sea mines were laid in the bay.
Zhun (Hexagram 3); Difficulty at the Beginning
torpedo boat
sea mine; mechanical mine
torpedo cruiser
Compound of 水 (water) and 雷 (thunder), referring to explosive devices used in water. The exact historical derivation is uncertain, but the term has been used in Japanese naval terminology since the late 19th century.