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MSN Encarta - Arch and Vault (938 words) |
 | During the Middle Ages, Byzantine architecture in the East and Romanesque architecture in the West retained the characteristic round Roman arch. |
| Gothic architecture in Western Europe was characterized by the pointed arch, which minimized outward thrust and thus made possible higher, thinner, window-filled walls, creating the lofty, spacious interiors of Gothic cathedrals. |
| A vault, in architecture, is an arch-shaped structure, usually of masonry, used as the ceiling of a room or other enclosed space, as the roof of a building, or as the support for a ceiling or roof. |
| Encyclopedia: Span (397 words) |
| In the mathematical subfield of linear algebra, the linear span of a set of vectors is the set of all linear combinations of the vectors. |
| Span is the width of a human hand, from the tip of the thumb to the tip of the small finger. |
| Span is a section between two intermediate supports of a bridge. |
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