phi phenomenon

noun

Definition of phi phenomenon

: 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

First Known Use of phi phenomenon

circa 1928, in the meaning defined above

Keep scrolling for more

Learn More about phi phenomenon

Dictionary Entries near phi phenomenon

phimosed

phimotic

Phiomia

phi phenomenon

phishing

Phi Tong Luang

phiz

Statistics for phi phenomenon

Look-up Popularity

Time Traveler for phi phenomenon

The first known use of phi phenomenon was circa 1928

See more words from the same year

Keep scrolling for more

More Definitions for phi phenomenon

phi phenomenon

noun
\ ˈfī- How to pronounce phi phenomenon (audio) \

Medical Definition of phi phenomenon

: apparent motion resulting from an orderly sequence of stimuli (as lights flashed in rapid succession a short distance apart on a sign) without any actual motion being presented to the eye — compare apparent motion

More from Merriam-Webster on phi phenomenon

Britannica.com: Encyclopedia article about phi phenomenon

Comments on phi phenomenon

What made you want to look up phi phenomenon? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to speak slightingly about or to degrade

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!