Definition of a Dome:

 A hollow, flattened or raised hemispherical roof structure, often of masonry, which rests on a circular, square or polygonal base, it can be supported by columns or piers that transition to the dome through squinches or pendentives.






TYPES OF DOMES | MASONRY DOMES :
1. umbrella dome, melon dome pumpkin dome, parachute dome
2. cloister vault, domical vault
3. sail vault, sail dome
4. dome on corbelling
5. dome on squinches
6. pendentive dome
7. half dome, semi-dome, conch
8. calotte, saucer dome
9 .corbelling
10. squinch
11. pendentive

RIBBED VAULTS
12. tripartite vault
13. quadripartite vault
14. sexpartite vault, hexapartite vault
15. octopartite vault



*Corbel, definition on the further reading page :
A masonry bracket projecting from the face of a building surface to provide support for an overhanging object or member.

Corbelled arch, corbel arch; a false arch composed of a series of stones corbelled out from either side
to meet in the middle; not a true arch.

*Squinch, definition on the further reading page :
Squinch arch; a series of adjacent masonry arches, each successive arch larger than the last, used as corner vaulting to support a polygonal structure or dome on a square base.

*Pendative, definition on the further reading page :
A curved segmental surface or construction for joining the round base of a masonry dome or opening to a square structure beneath.

pendentive dome any dome constructed on pendentives; often a sail dome.


References :
Dictionary of Architecture and Building Construction (2008)


Image references :
Dictionary of Architecture and Building Construction (2008)
http://www.cities-of-europe.com/bazilikata-sveti-sernen-toulouse-francia/