alkaline

IPA/ˈælkəlaɪn/
KK[ˈælkəlˌaɪn]IPA/ˈælkəlaɪn/

alkaline — 形容詞

  • alkalinepositive
  • more alkalinecomparative
  • most alkalinesuperlative

1. describing a chemical substance whose pH is higher than 7 and that neutralizes a

1.形容詞B2
釋義

鹼性的

pH值高於7、能中和酸的化學性質

describing a chemical substance whose pH is higher than 7 and that neutralizes acids to form salts

例句

The gardener checked the soil with a test kit and found it was slightly alkaline.

園丁用測試套件檢查土壤，發現土壤略帶鹼性。

collocation: alkaline soil — common in gardening

The chemistry teacher poured the clear alkaline solution into a glass beaker.

化學老師將清澈的鹼性溶液倒入玻璃燒杯中。

collocation: alkaline solution — used in lab settings

常見搭配
  • alkaline soil
  • alkaline solution
  • alkaline foods
  • alkaline water
  • alkaline conditions
  • alkaline environment
  • highly alkaline
  • slightly alkaline
同義詞
  • basic

    used in chemistry to mean the same thing, but more formal and technical; also has the unrelated everyday meaning of 'simple'

反義詞
  • acidic

    having a pH below 7; the opposite chemical behaviour

文法句型

alkaline + noun

be/become + alkaline

用法筆記

Most often used before a noun (alkaline soil, alkaline solution). It can also follow 'be' or 'become' (the water is alkaline).

常見錯誤

Baking soda is an alkaline.
Baking soda is an alkali.
'alkaline' is an adjective; the noun form is 'alkali'.
I bought some alkalined water.
I bought some alkaline water.
'alkaline' does not change form; there is no past-tense or -ed ending.

同根字

常見搭配

名詞搭配

  • alkaline soil
  • alkaline solution
  • alkaline foods
  • alkaline water
  • alkaline battery
  • alkaline environment
  • alkaline conditions

副詞搭配

  • highly alkaline
  • slightly alkaline
  • strongly alkaline

常用片語

  • alkaline diet
  • alkaline hydrolysis