phiphenomenon
fɪˌnɒm noun, plural phi-phe·nom·e·na 
[-nuh] . Psychology.
[-nuh] . Psychology. motion perceived by a subject, especially the illusion of movement produced when stationary stimuli, as pictures or lights, are presented in rapid succession and are sometimes in slightly different positions.
Origin:
1925–30
1925–30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To phiphenomenon
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World English Dictionary
phi-phenomenon (ˈfaɪfɪˌnɒmɪnən) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n , pl -na | |
| 1. | the illusion that when two lights are rapidly turned on and off in succession something appears to move backwards and forwards between them while the lights stay stationary |
| 2. | a similar illusion in which one light appears to move smoothly backwards and forwards |
| [C20: arbitrary use of Greek phi] | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Phiphenomenon
is always a great word to know.
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