potash

[化] 钾碱 [医] 钾硷, 碳酸钾, 草硷

发音

UK /ˈpɒt.æʃ/
US /ˈpɑt.æʃ/
其它

词形变化

potashes 复数 potashes potashed potashes 三单 potashing potashing 现在分词 potashed 过去式 potashed 过去分词

别名

potass

释义与例句

n.
  1. 1.

    The water-soluble part of wood ash, used for making soap and glass and as a fertilizer (chemically speaking, an impure form of potassium carbonate (K₂CO₃) mixed with other potassium salts).

    可数 不可数
  2. 2.

    Potassium. Chiefly used in the names of compounds of the form "... of potash".

    钾

    古体 可数 不可数 化学

    permanganate of potash

  3. 3.

    A class of potassium minerals, of similar applicability to potassium carbonate, such as being a fertilizer. (ie. potassium chloride, potassium hydroxide)

    可数 不可数
v.
  1. 1.

    To treat with potassium.

词汇关系

名词

同义词 2

caustic potash potassium hydroxide

上位词 2

lye hydroxide

相关短语

potash of sulphur potash of sulfur potash alum [化] 明矾 potash lye [医] 钾硷液 potash kettle potash kettles potash lyes potash water potash waters potash blue [机] 钾咸蓝 potash bentonite caustic potash [化] 苛性钾; 氢氧化钾 [医] 苛性钾, 氢氧化钾 nitre of potash carbonate of potash muriate of potash [化] 氯化钾

词源

From pot + ash, because the substance was originally obtained by leaching ash in water and then boiling down the resulting solution in a pot. Compare Dutch potas, German Pottasche.

来源：wiktionary