# phenomena

Pronunciation: say "fi-NOM-i-nuh" US /fɪˈnɑm.ɪ.nə/, UK /fɪˈnɒm.ɪ.nə/

## Noun

1. Plural of phenomenon. — plural of phenomenon
   - Simple: Plural of phenomenon. Use this form when talking about more than one event or fact.
   - _Several unexplained phenomena were reported during the storm._
   - _The book explores optical phenomena such as mirages and halos._
2. An observable event or fact, especially one that is remarkable or whose cause is not fully understood. *(nonstandard)*
   - Simple: An event or fact that you can see or notice, often surprising or hard to explain.
   - _The sudden glow over the harbor was a phenomena that puzzled local scientists for weeks._
   - _Researchers treated the unusual migration pattern as a single phenomena worth careful study._

## Origin

"Phenomena" is the plural form of "phenomenon," formed according to the Ancient Greek pluralisation pattern in which the ending "-ον" (-on) becomes "-α" (-a).

Source: DictionaryAI, https://dictionaryai.com/define/phenomena (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).