Boron
Chamber's Twientieth Century Dictionary · 1908 · p. 15
bō′ron, n. a simple non-metallic element present in borax and boracic acid, obtained in crystals which resemble diamonds. [See Borax .]
Bu kavram başka kaynaklarda da geçiyor
A Dictionary of Scientific Terms (1927)
The American Illustrated Medical Dictionary (1913)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
Chandler's Encyclopedia (1898)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopaedic Medical Dictionary (1891)
Zell's Condensed Dictionary (1879)
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