alkalinity
alkalinity — 名詞
1. how much alkali a substance contains, shown by its pH level being greater than 7
鹼度；鹼性
物質中鹼的含量或強弱程度
how much alkali a substance contains, shown by its pH level being greater than 7
Before planting tomatoes, Mert tested the alkalinity of the garden soil.
種植番茄之前，Mert 測試了花園土壤的鹼度。
test/measure the alkalinity of [substance]
High alkalinity in the lake near Elena's house killed most of the fish.
Elena 家附近湖水的鹼性太高，導致大部分魚類死亡。
collocation: high alkalinity
A simple pH test showed that the alkalinity of Tanvi's solution was too high.
一個簡單的 pH 測試顯示 Tanvi 的溶液鹼度過高。
Andrew checks the alkalinity of his swimming pool every Sunday morning.
Andrew 每個週日上午都會檢查游泳池水的鹼度。
Bao added a small amount of powder to reduce the alkalinity of the aquarium water.
Bao 加入少量粉末來降低水族箱中水的鹼度。
- basicity
more technical chemistry term for the opposite of acidity; less common in everyday contexts like gardening or pool care
- alkali level
more descriptive phrase; less precise but used in practical instructions (e.g., pool maintenance guides)
- acidity
the opposite quality, measured by a pH level below 7
文法句型
alkalinity of [substance]
the alkalinity of [something]
用法筆記
Common in science and technical contexts such as water treatment, soil analysis, and chemistry. Usually uncountable, but can be countable when referring to different types or degrees of alkalinity.