What does INVAR mean?

Here is the response to your query: invar

1. Parts of Speech: noun

2. Definitions:

1. a nickel-steel alloy with a very low coefficient of expansion, used in scientific instruments and clocks

3. Pronunciations:

• US: in-vahr
• UK: in-vahr

4. Origin and Usage:

The word "invar" is believed to have originated from the words "invariable" and "variation." It was first used in the late 19th century to describe a nickel-steel alloy that had a very low coefficient of expansion. This unique property made it ideal for use in scientific instruments and clocks, which require precise measurements and accurate timekeeping. Today, invar is still used in a variety of scientific and industrial applications where dimensional stability is critical.

5. Synonyms:

• None

6. Related Words:

• nivar

7. Example Sentences:

• The clockmaker used invar to create a pendulum that would keep accurate time.
• The scientist used invar in his experiments to ensure precise measurements.