A head of pressure resulting from a column of water; a source of water pressure in a boiler or other structure. Cf. head of water at head, n.1 44b.
| 单词 | θ3322 |
| 释义 | the world > the earth > water > lake > pool > [noun] > store of water (3) water head1850 A head of pressure resulting from a column of water; a source of water pressure in a boiler or other structure. Cf. head of water at head, n.1 44b. static water1885 standing water; spec. (during the Second World War (1939–45)) a store of standing water intended for use as an emergency supply, esp. in fighting… Subcategories:— water-tower (1) |
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