phenomenon
noun1583{ds||1||}
- an observable fact or event
- 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
phi phenomenon
noun
phi phenomenon
\
circa 1928
- apparent motion resulting from an orderly sequence of stimuli (such as lights flashed in rapid succession a short distance apart on a sign) without any actual motion being presented to the eye
unidentified aerial phenomenon
noun
unidentified aerial phenomenon
\
1949
- a mysterious flying object in the sky that is sometimes assumed to be a spaceship from another planet : UAP —used especially as an alternative to UFO or unidentified flying object
unidentified anomalous phenomenon
noun
unidentified anomalous phenomenon
\
2020
- a mysterious phenomenon (especially an unidentified aerial phenomenon) that is sometimes assumed to be a spaceship from another planet : UAP —used especially as an alternative to UFO or unidentified flying object
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