Light
A Dictionary of Scientific Terms · 1927 · p. 3
A form of energy which is apprehended by the eye. It is supposed to move at a velocity of about 186,300 miles per second.
Bu kavram başka kaynaklarda da geçiyor
Adair's New Encyclopedia (1923)
Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
A Dictionary of Military Terms (1918)
Hawkins' Electrical Dictionary (1915)
The Slang Dictionary Etymological Historical and Anecdotal (1913)
The American Illustrated Medical Dictionary (1913)
A Law Dictionary (1910)
Chamber's Twientieth Century Dictionary (1908)
The Optical Dictionary (1904)
The Handy Cyclopedia of Common Things and Biographical Dictionary (1901)
Chandler's Encyclopedia (1898)
Pears Shilling Cyclopedia (1898)
Phrases and Names Their Origins and Meanings (1896)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1893)
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