Perpendicular

Explanation of Terms Used in Entomology · 1906 · p. 2

: upright: at right angles to horizontal.

Bu kavram başka kaynaklarda da geçiyor

Hawkins' Electrical Dictionary (1915)
The Slang Dictionary Etymological Historical and Anecdotal (1913)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
Chamber's Etymological of the English Language (1895)
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
Zell's Condensed Dictionary (1879)
A Church Dictionary (1854)
Pantologia (1813)
A Military Dictionary (1810)

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