The plural form of phenomenon, formed according to the → -α pluralisation pattern.

• (British) IPA: /fɪˈnɒm.ə.nə/
• (America) IPA: /fɪˈnɑm.ə.nə/

1. plural form of phenomenon
   • 1918, W[illiam] B[abington] Maxwell, chapter II, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC ↗:

     She was a fat, round little woman, richly apparelled in velvet and lace, […] ; and the way she laughed, cackling like a hen, the way she talked to the waiters and the maid, […] —all these unexpected phenomena impelled one to hysterical mirth, and made one class her with such immortally ludicrous types as Ally Sloper, the Widow Twankey, or Miss Moucher.