Encyclopedia > Vertical

Article Content

Vertical

An object is in a vertical position when it is aligned in an "up-down" direction, perpendicular to the horizon.

Compare horizontal.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Photosynthesis

... the fate of oxygen atoms during photosynthesis. Light-dependant reaction The first stage of the photosynthetic system is the light-dependant reaction, which convert ...