Is COPPER a valid Scrabble word?

Yes. COPPER is valid in Collins Scrabble Words 2024, the word list used for Scrabble in the UK.

What COPPER means

• noun - A reddish-brown metallic chemical element (symbol Cu) with the atomic number 29; also, the metal made up of this element.
• adjective - Made of copper (etymology 1, noun sense 1).
• verb - To coat or sheathe (something) with copper (etymology 1, noun sense 1).

Definitions come from Wiktionary via kaikki.org, shortened to fit, and are used under CC BY-SA 4.0.

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