One entry found for
phenomenon.
Main Entry:
phe·nom·e·non 
Pronunciation:
fi-
näm-
-
nän, -n
n
Function:
noun
Inflected Form(s):
plural phenome·na 
/
-n
, -
nä /;
or -nons
1 plural phenomena : an observable fact or event
2 : a fact, feature, or event of scientific interest
3 a : a rare or important fact or event
b plural phenomenons : an exceptional, unusual, or abnormal person or thing