cation
cation — 名詞
1. an atom or small group of atoms whose electric charge is positive, causing it to
陽離子
帶正電荷的離子
an atom or small group of atoms whose electric charge is positive, causing it to be drawn toward the negative end when an electric current runs through a liquid
Priya watched the copper cations move toward the cathode during her chemistry experiment.
Priya 在化學實驗中觀察到銅陽離子朝陰極移動。
cation + cathode collocation in electrolysis context
A sodium cation forms when a sodium atom gives away one of its electrons.
鈉原子失去一個電子後便形成鈉陽離子。
cation formation through electron loss
The lab assistant measured the number of calcium cations in the tap water sample.
實驗室助理測量了自來水樣本中的鈣陽離子數量。
In a battery, positive cations travel through the liquid inside to carry the electric current.
在電池中，正電荷陽離子穿過內部的液體來傳導電流。
When table salt dissolves, sodium cations and chloride anions drift apart in the water.
食鹽溶解時，鈉陽離子和氯陰離子在水中分開漂移。
- positive ion
less formal and less precise; used in general science writing instead of specialist chemistry contexts
- anion
the negatively charged counterpart of a cation
用法筆記
Opposed to anion, which is a negatively charged ion. This term appears mainly in chemistry and physics textbooks rather than everyday conversation.