Nitrogen
Nuttall Encyclopedia · 1907 · p. 32
a gaseous element which constitutes one-fourth in volume of the atmosphere, is the basis of nitric acid, and is an e ential constituent of proteids, alkaloids, and albuminoids.
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A Dictionary of Scientific Terms (1927)
Hawkins' Electrical Dictionary (1915)
The Nurse's Dictionary of Medical Terms and Nursing Treatment (1909)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Handy Cyclopedia of Common Things and Biographical Dictionary (1901)
Chandler's Encyclopedia (1898)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1894)
Zell's Condensed Dictionary (1879)
Dictionary of Science, Literature and Art (1854)
Dictionary of Science, Literature and Art (1842)
A Dictionary of Arts, Manufactures and Mines (1840)
The American Dictionary and Cyclopedia
Nitrogen-Free Extract
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Chandler's Encyclopedia (1898)
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