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alkali

Intermediate (B1)

IPA: /ˈæl.kə.laɪ/

KK: /ˈæl.kə.laɪ/

noun
Definition

A type of chemical substance that is very basic and can react with acids. It often comes from alkali metals and can be found in things like plant ashes or certain mineral salts.


Example

Sodium hydroxide is a common alkali used in various industrial processes.


Conversation
Sloth A
Did you know that baking soda is actually an alkali?
Sloth B
Really? I had no idea it had those properties.
Sloth A
Yeah, it can help neutralize acids, which is pretty cool.
Sloth B
That makes sense! I guess that's why it's used in so many recipes.

Synonyms & Antonyms
Synonyms
base
soda
lye
Antonyms
acid
neutral
alkaline
Root Explanation

Alkali comes from the Arabic word "al-qaly" (meaning the ashes of the saltwort plant), which refers to the basic substances derived from the ashes of certain plants. The term was adopted into Medieval Latin as "alkali" and later into English, maintaining its reference to basic substances.

Memory Tip

Think of the Arabic word for the ashes of a plant, which helps you remember that alkali refers to basic substances derived from plant ashes.

Visually Confused Words
akali
kali
antalkali
akal
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