Phenomena has been in occasional use as a singular since the early 18th century, as has the plural phenomenas. Our evidence shows that singular phenomena is primarily a speech form …

A phenomenon (pl. phenomena), sometimes spelled phaenomenon, is an observable event. [1] The term came into its modern philosophical usage through Immanuel Kant, who contrasted it …

phenomenon noun (EXPERIENCE) Add to word list [ C ] plural phenomena us / fɪˈnɑm·ə·nə / anything that is or can be experienced or felt, esp. something that is noticed because it is …

1. a fact, occurrence, or circumstance observed or observable: the phenomena of nature. 2. something that is remarkable or extraordinary. 3. a remarkable or exceptional person; prodigy. …

Phenomena is the plural of phenomenon. But what sets the two phenomena apart is how they form. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

plural phenomena /-ənə/ /fɪ ˈnɑːmənə/ : something (such as an interesting fact or event) that can be observed and studied and that typically is unusual or difficult to understand or explain fully

Sep 21, 2025 · Phenomena (plural: phenomenon): Observable events or occurrences, especially those that are notable or unusual. In science, a phenomenon is an event that can be …

Phenomena is the plural of phenomenon, which most generally refers to an observable occurrence or circumstance. For example, hurricanes and tornadoes are two kinds of weather …

phe•nom•e•non /fɪˈnɑməˌnɑn, -nən/ n. [countable], pl. -na /-nə/ or -nons. a fact or circumstance observed or observable: the phenomena of nature. someone or something remarkable.

Definition of phenomenon noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.