axion
/ˈæksiˌɑn/
noun
- A hypothetical elementary particle proposed to explain certain puzzles in physics, especially related to dark matter.
- Experiments like ADMX aim to detect the faint signal of an axion.
- Scientists are searching for the axion, a particle that might make up dark matter.
- The axion was first theorized in the 1970s to solve a problem in particle physics.