radium

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Definitions from WordNet

Noun radium has 1 sense

radium, Ra, atomic number 88 - an intensely radioactive metallic element that occurs in minute amounts in uranium ores
--₁ is a kind of metallic element, metal
--₁ is a substance of uranium ore

Definitions from the Web

Radium

Definition:

Radium is a chemical element with the symbol Ra and atomic number 88. It is a highly radioactive metal that emits a brilliant glow, making it historically significant in various industries.

Parts of Speech:

Noun
Adjective

Senses and Usages:

Noun:

1. A radioactive chemical element of the alkaline earth metal group, used in various applications such as luminous paint and cancer treatments.

Example Sentence: Marie Curie discovered radium in 1898 while conducting experiments on radioactive elements.

Adjective:

1. Having properties similar to or associated with radium.

Example Sentence: The radium watch dial emitted a soft, green glow in the dark.

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