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fluoride

Intermediate (B1)

IPA: /ˈflʊəraɪd/

KK: /ˈflʊəraɪd/

noun
Definition

A chemical compound that contains fluorine, often used in dental products to help prevent tooth decay.


Example

Many toothpaste brands include fluoride to strengthen teeth and reduce cavities.


Conversation
Sloth A
Have you heard about the benefits of fluoride in toothpaste?
Sloth B
Yeah, I've read it helps prevent cavities.
Sloth A
Exactly! I always look for fluoride options when I buy toothpaste.
Sloth B
Same here! It's nice to know it really makes a difference.

Synonyms & Antonyms
Synonyms
fluorine
anion
compound
Antonyms
Root Explanation

Fluoride → It is formed from "fluor" (from Latin *fluere*, meaning to flow) and the suffix "-ide" (used in chemistry to denote a binary compound). The word "fluoride" refers to a compound that contains fluorine, which is derived from the concept of flowing, as fluorine is often found in minerals that flow or dissolve in water.

Memory Tip

Think of 'fluor' meaning 'to flow' — this helps you remember that 'fluoride' is a compound related to the flowing nature of fluorine.

Visually Confused Words
bifluoride
florid
trifluoride
oxyfluoride
floridean
florideae
forride
florida
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