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Word of the Day Tuesday, June 9, 2026

sider

/ˈsaɪdər/ noun · British & US
Valid in UK
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What does sider mean?

noun

A sider is a person who works in a steel mill or factory, or a person who collects or sells scrap metal. In chemistry, a sider is a compound that contains iron.

Example

"The sider carefully loaded the heavy steel beam onto the truck."

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

Synonyms for sider

Antonyms of sider

Rhymes with sider

Etymologically related