Obstruction
Nuttall's Standard Dictionary of the English Language · 1890 · p. 128
ob-struk'-shun, s. act of obstructing; that which impedes progre ; an impediment, ]
Bu kavram başka kaynaklarda da geçiyor
French-English Dictionary of Military Terms (1918)
French-English and English-French Commercial Dictionary (1918)
The American Illustrated Medical Dictionary (1913)
A Law Dictionary (1910)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1894)
A Military Dictionary and Gazetteer (1881)
A Military Dictionary (1810)
The American Dictionary and Cyclopedia
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