naphthalene
Prononciation : [næfˈθælˌin]
Mot
Contexte : « chemistry »
(noun) a type of chemical that comes from coal tar. It is often used to make things like mothballs or to help some products smell nice.
Exemple
The scientist studied naphthalene because it is useful in making certain medicines.
Exemple
They decided not to use naphthalene in the project because it can be harmful.
Exemple
What products commonly contain naphthalene?
Contexte : « everyday product »
(noun) a solid form that can look like white crystals and has a strong smell, often used in products to keep moths away from clothes.
Exemple
People often put naphthalene in their closets to protect clothes from moths.
Exemple
She didn't like the smell of naphthalene, so she removed the mothballs from her closet.
Exemple
Why do some people use naphthalene in their homes?
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