Definition

A standard or model used for comparison, often in scientific or technical contexts, such as an optical device with parallel mirrors that helps in measuring light.

Example

The scientist used an etalon to ensure the accuracy of the laser measurements.

Conversation

Have you ever heard of an etalon?

No, what is it exactly?

It's a device used in lasers to measure light wavelengths.

That sounds really interesting! I didn't know that.

Synonyms & Antonyms

Root Explanation

Etalon comes from French, meaning a standard or model used for measurement. It refers to a benchmark or reference point against which other things are measured or compared.

Memory Tip

Think of 'etalon' as a standard or model that helps you measure or compare things accurately.

Visually Confused Words