Pentavalent
An Illustrated Dictionary of Medicine, Biology and Allied Sciences · 1907 · p. 35
(pen-tav'-al-ent). In chemistry, capable of combining with five univalent elements or radicles.
Bu kavram başka kaynaklarda da geçiyor
A French-English Dictionary for Chemists (1921)
The American Illustrated Medical Dictionary (1913)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1894)
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