sand battery en · NOUN
Meanings
- (historical) An unspillable electrochemical battery whose cells use electrolyte soaked sand – typically used to test telegraph cables at sea.
- (historical) A sand fort equipped with an artillery battery, frequently found in coastal defense, usually having organic infantry attached.
- (qualifier:industrial planning) A thermal storage battery which uses sand as the storage medium.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| sand batteries | Number=Plur | lexicographic |