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noun

cadmium

KAD-mee-um
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Cadmium (noun) means a soft, silvery-white metallic chemical element with the symbol Cd and atomic number 48. Example: “Cadmium has the chemical symbol Cd.”

noun
1
A soft, silvery-white metallic chemical element with the symbol Cd and atomic number 48.
"Cadmium has the chemical symbol Cd."
"The teacher pointed to cadmium on the periodic table and read out its atomic number."
"Cadmium is a soft metal with a silvery-white colour."

How to use cadmium

Learner’s notes

In plain EnglishA soft, silvery-white metal that is element number 48.

When to use it

It is a technical term, used mainly in chemistry and science.

Memory tip

Stress the first syllable and say the ending as 'mee-um'.

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Common pairings
cadmium metal a sample of cadmium
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Test yourself on “cadmium” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

_____ has the chemical symbol Cd.

Etymology

The word was borrowed from German Cadmium. That in turn goes back to the Ancient Greek word for calamine, a mixture of minerals containing cadmium, which was named after the king Cadmus.

Origin: German

Rhymes for cadmium

See all rhymes for cadmium →

Frequently asked questions

What is the symbol for cadmium?
The chemical symbol for cadmium is Cd.
What is the atomic number of cadmium?
Cadmium has an atomic number of 48.
What does cadmium look like?
Cadmium is a soft, silvery-white metal.
What is the meaning of cadmium?
"cadmium" (noun) means a soft, silvery-white metallic chemical element with the symbol Cd and atomic number 48.
Definitions: FreeDict original editorial