acid sulphate
1Acid sulfate soil — Acid sulfate soils are naturally occurring soils, sediments or organic substrates (e.g. peat) that are formed under waterlogged conditions. These soils contain iron sulfide minerals (predominantly as the mineral pyrite) or their oxidation… …
2Acid — Ac id, n. 1. A sour substance. [1913 Webster] 2. (Chem.) One of a class of compounds, generally but not always distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized… …
3Sulphate — Sul phate, n. [NL. sulphas, sulphatis, fr. L. sulphur, sulfur, brimstone, sulphur: cf. F. sulfate.] (Chem.) A salt of sulphuric acid. [1913 Webster] …
4sulphate — (US sulfate) ► NOUN Chemistry ▪ a salt or ester of sulphuric acid …
5Acid salt — Salt Salt, n. [AS. sealt; akin to OS. & OFries. salt, D. zout, G. salz, Icel., Sw., & Dan. salt, L. sal, Gr. ?, Russ. sole, Ir. & Gael. salann, W. halen, of unknown origin. Cf. {Sal}, {Salad}, {Salary}, {Saline}, {Sauce}, {Sausage}.] 1. The… …
6sulphate — /ˈsʌlfeɪt/ (say sulfayt) noun 1. Chemistry a salt of sulphuric acid. –verb (sulphated, sulphating) –verb (t) 2. to combine, treat, or impregnate with sulphuric acid, or with a sulphate or sulphates. 3. to convert into a sulphate. 4. Electricity… …
7sulphate — [[t]sʌ̱lfeɪt[/t]] sulphates N MASS: oft n N, N of n A sulphate is a salt of sulphuric acid. ...copper sulphate. ...sulphate of potash. (in AM, use sulfate) …
8sulphate — UK [ˈsʌlfeɪt] / US [ˈsʌlˌfeɪt] noun [countable/uncountable] Word forms sulphate : singular sulphate plural sulphates chemistry a salt (= chemical substance) produced from sulphuric acid …
9sulphate — sul|phate BrE sulfate AmE [ˈsʌlfeıt] n [U and C] a ↑salt formed from ↑sulphuric acid ▪ copper sulphate …
10sulphate — sul·phate || sÊŒlfeɪt n. salt or ester of sulphuric acid (Chemistry) adj. containing a sulphate (Chemistry) …
