| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024sul•fate (sul′fāt),USA pronunciation n., v., -fat•ed, -fat•ing. n. - Chemistrya salt or ester of sulfuric acid.
v.t. - Chemistryto combine, treat, or impregnate with sulfuric acid, a sulfate, or sulfates.
- Chemistryto convert into a sulfate.
- Electricityto form a deposit of lead-sulfate compound on (the lead electrodes of a storage battery).
v.i. - Chemistryto become sulfated.
- Neo-Latin sulphātum. See sulfur, -ate2
- 1780–90
Collins Concise English Dictionary © HarperCollins Publishers:: sulphate /ˈsʌlfeɪt/ n - any salt or ester of sulphuric acid, such as sodium sulphate, Na2SO4, sodium hydrogen sulphate, or diethyl sulphate, (C2H5)2SO4
vb - (transitive) to treat with a sulphate or convert into a sulphate
- to undergo or cause to undergo the formation of a layer of lead sulphate on the plates of an accumulator
Etymology: 18th Century: from New Latin sulfātum; see sulphursulˈphation n |