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Word of the Day Wednesday, June 10, 2026

naphthalene

/næfˈθæliːn/ noun · British & US
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What does naphthalene mean?

noun

A white crystalline solid with a characteristic smell, used as an insecticide and moth repellent. It is also used in the manufacture of dyes and plastics.

Example

"The old trunk in the attic was filled with mothballs made from naphthalene to keep the clothes fresh."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for naphthalene

Rhymes with naphthalene

Etymologically related