Pronunciation: (fi-nom'u-non", -nun),[key] —n., —pl.-naPronunciation: (-nu)[key]or, esp. for 3,-nons. 1. a fact, occurrence, or circumstance observed or observable: to study the phenomena of nature. 2. something that is impressive or extraordinary.
3. a remarkable or exceptional person; prodigy; wonder.
4. Philos. a. an appearance or immediate object of awareness in experience.
b. Kantianism.a thing as it appears to and is constructed by the mind, as distinguished from a noumenon, or thing-in-itself.