sand battery (English, noun)
expansion: sand battery (plural sand batteries)
Senses:
topics: business
electrical-engineering
electricity
electromagnetism
electronics
energy
engineering
natural-sciences
physical-sciences
physics
glosses: An unspillable electrochemical battery whose cells use electrolyte soaked sand – typically used to test telegraph cables at sea.
tags: historical
topics: government
military
politics
war
glosses: A sand fort equipped with an artillery battery, frequently found in coastal defense, usually having organic infantry attached.
tags: historical
topics: natural-sciences
physical-sciences
physics
thermodynamics
qualifier: industrial planning
glosses: A thermal storage battery which uses sand as the storage medium.
Forms:
form: sand batteries
tags: plural