Nearby Words
noun Physiology.
a luminous image produced by mechanical stimulation of the retina, as by pressure applied to the eyeball by the finger when the lid is closed.
Origin:
1870–75; < French phosphène, irregular < Greek phôs light (contraction of pháos) + phaínein to show, shine
1870–75; < French phosphène, irregular < Greek phôs light (contraction of pháos) + phaínein to show, shine
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Phosphene
is always a great word to know.
So is bile. Does it mean:
| a bitter, alkaline, yellow or greenish liquid, secreted by the liver, that aids in absorption and digestion |
| being or occurring on the transmitting end of a discharge across a synapse |
Collins
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
American Heritage
Medical Dictionary
phosphene phos·phene (fŏs'fēn')
n.
A sensation of light caused by excitation of the retina by mechanical or electrical means rather than by light, as when the eyeballs are pressed through closed lids.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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