PHENOMENON

noun (plural phenomena or -nons) see: fancy Date: 1605 an observable fact or event, 2. plural phenomena an object or aspect known through the senses rather than by thought or intuition, a temporal or spatiotemporal object of sensory experience as distinguished from a noumenon, a fact or event of scientific interest susceptible to scientific description and explanation, 3. a rare or significant fact or event, an exceptional, unusual, or abnormal person, thing, or occurrence, see: phenomena