Envelop
An Illustrated Dictionary of Medicine, Biology and Allied Sciences · 1907 · p. 14
(en'-vel-op) An investing membrane, or layer.
Bu kavram başka kaynaklarda da geçiyor
A Dictionary of Military Terms (1918)
A Dictionary of Aviation (1911)
The American Dictionary and Cyclopedia (1910)
Chamber's Twientieth Century Dictionary (1908)
Chamber's Etymological of the English Language (1895)
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
envelop-construction
—
A Dictionary of Aviation (1911)
envelop-material
—
A Dictionary of Aviation (1911)
envelop-stuff
—
A Dictionary of Aviation (1911)
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