hart-line

Hart·line

[hahrt-lahyn]
noun
Hal·dan Kef·fer [hawl-duhn kef-er] , 1903–83, U.S. physiologist: Nobel prize for medicine 1967.
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Hartline Hart·line (härt'līn'), Haldan Keffer. 1903-1983.

American biophysicist. He shared a 1967 Nobel Prize for research on the physiological and electrical activities of the optic nerve and the eye.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Hart-line is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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