astronomical measure
noun phraseUK /ˌæs.trəˈnɒm.ɪ.kəl ˈmeʒ.ər/
US /ˌæs.trəˈnɑː.mɪ.kəl ˈmeʒ.ɚ/
A way to measure very big things in space, like how far apart stars are.
Scientists use an astronomical measure to describe the distance between Earth and the Sun.
RELATED WORDS
OTHER MEANINGS
2. A unit or scale used by astronomers to express distances or sizes in space.
The light-year is a common astronomical measure for interstellar distances.
3. A very large number or amount, used figuratively to describe something huge.
The cost of the new stadium was an astronomical measure of money.
4. The act of calculating positions or movements of stars and planets.
Ancient sailors relied on astronomical measure to navigate at night.