phenomenon
nounUK /fəˈnɒmɪnən/
US /fəˈnɑːmɪnɑːn/
A phenomenon is something that happens that you can see or notice.
A rainbow is a beautiful phenomenon that appears after rain.
RELATED WORDS
OTHER MEANINGS
2. A very unusual or amazing person or thing.
The young singer became a phenomenon overnight.
3. A fact or situation that exists, especially one that is studied by scientists.
Scientists are studying the phenomenon of sleep.
4. An extraordinary event that seems to have no clear explanation.
People once thought lightning was a mysterious phenomenon.