noun
phenomena
fih-NOM-ih-nuh
noun
1
The plural of "phenomenon" — observable facts, events, or occurrences.
"Scientists study natural phenomena like lightning and tides."
"Several strange phenomena were reported after the earthquake."
How to Use Phenomena
Learner’s notesIn plain EnglishMore than one phenomenon — the plural form.
Common mistake
"Phenomena" is plural; the singular is "phenomenon." Don't write "this phenomena" — it should be "this phenomenon."
Easily confused with
Word Forms
phenomenas plural, phenomenae plural
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Scientists study natural _____ like lightning and tides.
Etymology
The Greek-style plural of "phenomenon," formed the same way as words like "criteria" (from "criterion").