cosmic rays
noun/ˌkɒzmɪk ˈreɪz/
/ˌkɑːzmɪk ˈreɪz/
[plural]- rays that reach the earth from outer spaceTopics Spacec2
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
cosmic rays