caesium

/'si:zjəm/

Friendly

Word: Caesium

Part of Speech: Noun

Definition: Caesium is a soft, silver-white metallic element that is liquid at normal temperatures. It is known for being very reactive and is the most electropositive and alkaline metal, which means it easily loses electrons to form positive ions.

Usage Instructions:

• General Use: You can use "caesium" when talking about chemistry, particularly in discussions about elements, metals, or reactions.
• Scientific Context: It is often mentioned in scientific studies, laboratory settings, or discussions about the periodic table.

Example Sentence:

• "Caesium is used in atomic clocks, which are extremely accurate timekeeping devices."

Advanced Usage:

In more advanced discussions, you might encounter caesium in the context of its applications in technology, such as: - "The precision of caesium atomic clocks is vital for global positioning systems (GPS)."

Word Variants:

• Caesium (British English): This is the standard spelling in British English.
• Cesium (American English): This is the American English spelling of the same element.

Different Meaning:

• Caesium (as a brand name): Sometimes, "Caesium" can refer to products or services that incorporate the element in their branding, especially in technology or scientific fields.

Synonyms:

• There are no direct synonyms for "caesium" as it refers to a specific element. However, it can be associated with other alkali metals like potassium or sodium in discussions about chemical properties.

Idioms and Phrasal Verbs:

• Idiom: There are no common idioms specifically related to "caesium."
• Phrasal Verbs: There are no phrasal verbs associated with "caesium."

Summary:

In summary, "caesium" is a specific element in the periodic table known for its unique properties. It is mainly discussed in scientific contexts and is important for technology like atomic clocks.

Academic

Noun

1. a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal

Synonyms

• cesium
• Cs
• atomic number 55