Radium

Pronunciation: /ˈreɪdiəm/

Definitions of radium

noun a highly radioactive metallic element found in small amounts in uranium ores, used in the treatment of cancer and in luminous paints

Example Sentences

A1 Radium is a chemical element with the symbol Ra.

A2 Marie Curie and her husband Pierre discovered radium in 1898.

B1 Radium was once used in self-luminous paints for watches, aircraft instruments, and other devices.

B2 Exposure to radium can be harmful and has been linked to various health issues.

C1 The radioactive decay of radium produces radon gas, which is a significant health hazard.

C2 Radium is a highly radioactive element that poses serious health risks if not handled properly.

Examples of radium in a Sentence

formal The discovery of radium by Marie Curie was a groundbreaking achievement in the field of chemistry.

informal Did you know radium was used in glow-in-the-dark paint back in the day?

slang That party was lit, they must have added some radium to the drinks!

figurative Her smile was so bright and infectious, it was like she was emitting radium.

Grammatical Forms of radium

• past tense: radiated
• plural: radiums
• comparative: more radium
• superlative: most radium
• present tense: radiates
• future tense: will radiate
• perfect tense: has radiated
• continuous tense: is radiating
• singular: radium
• positive degree: radium
• infinitive: to radiate
• gerund: radiating
• participle: radiated

Origin and Evolution of radium

First Known Use: 1898 year

Language of Origin: Latin

Story behind the word: The word 'radium' originates from the Latin word 'radius' which means ray or beam of light.

Evolution of the word: Originally used to describe the element discovered by Marie Curie and Pierre Curie in 1898, radium's usage has evolved to also refer to the radioactive properties of the element and its applications in various fields such as medicine and industry.