phenomena

American  

[fi-nom-uh-nuh] / fɪˈnɒm ə nə /

noun

1. a plural of phenomenon.

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phenomena British  

/ fɪˈnɒmɪnə /

noun

1. a plural of phenomenon

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Usage

As with other plurals of Latin or Greek origin, like media and criteria, there is a tendency to use the plural phenomena as a singular ( This phenomena will not be seen again ), but such use occurs infrequently in edited writing. The plural form phenomenas, though occasionally seen, has even less currency.

Etymology

Origin of phenomena

First recorded in 1580–90 with spelling phænomena

Example Sentences

Natural phenomena such as wildfires and auroras, which the satellites can also detect, were excluded from the analysis.

From Science Daily • Apr. 9, 2026

Seen through this lens, contemporary phenomena that appear baffling begin to make sense.

From The Wall Street Journal • Apr. 2, 2026

An uncontrolled, sudden increase in voltage in the system "on a day with multiple concurrent phenomena" led to instability and "cascading generation", it said.

From BBC • Mar. 20, 2026

Welikala had stumbled upon one of L.A.’s more unlikely cultural phenomena: Public Assembly theater.

From Los Angeles Times • Mar. 2, 2026

The earliest theoretical attempts to describe and explain the universe involved the idea that events and natural phenomena were controlled by spirits with human emotions who acted in a very humanlike and unpredictable manner.

From "A Brief History of Time: And Other Essays" by Stephen Hawking