What does chronometers mean?
noun
A chronometer is a highly accurate mechanical clock or watch that has been officially certified by a recognized authority, such as the Swiss Official Chronometer Testing Institute (COSC). Chronometers are used to regulate other clocks and watches, and are often used in scientific and navigational applications.
Example
"The astronaut used a chronometer to keep accurate time during her spacewalk."
Definition generated by AI and curated by RJS Tech Solutions LLP.