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An expansion or supplementary structure of a building.


A domed or vaulted recess or projection on a building.


Curved structure spanning an opening that supports the surrounding walls.


The lowest section of the entablature that rests directly on the column.

Art Deco

A design style popularized in the 1920s and 1930s during the Exposition Internationale des Arts Décoratifs et Industriels Modernes, an exposition of modern decorative and industrial arts held in Paris, France, in 1925. Bold outlines, geometric and zigzag forms, and the use of modern materials, such as plastic, characterize the style.

Art Moderne

Similar to Art Deco, with its stripped-down forms and geometric-based ornamentation, the moderne style is sleek and unornamented, while the slightly earlier deco style can be quite decorative.


A row of upright, often vase-shaped supports topped by a rail that prevents people from falling over the edge of a staircase.


The head of a column or pillar.

Classical Orders

The main architectural types based on the style of capital, column, and entablature.


A series of columns set at regular intervals and usually supporting the base of a roof structure.


A supporting pillar consisting of a usually round shaft, a capital, and a base.


The molded and projecting horizontal member that crowns an architectural composition.


The lightest and most ornate of the three ancient Greek architectural orders distinguished especially by its large capitals decorated with carved acanthus leaves.


A small rounded structure resting on a circular base built on top of a roof.


A large hemispherical roof or ceiling.


The oldest and simplest Greek architectural order.


The cylindrical base on which a dome rests.


The lower border of a roof that overhangs the wall.


The upper section of the classical order consisting of three horizontal elements ─cornice, frieze, and architrave.


The front of a building; any face of a building given special architectural treatment.

Federal Style

Architectural style popular in the United States between 1780 and 1830. An interpretation of Ancient Roman architecture fashionable after the unearthing of Pompeii and Herculaneum. The American eagle was a common symbol used in this style, with the ellipse a frequent architectural motif.


A conventionalized iris in artistic design and heraldry.


A sculptured or richly ornamented band, as on a building or piece of furniture.


The art of painting on freshly spread moist lime plaster with water-based pigments.


The vertical triangular end of a building from cornice or eaves to ridge.


A style of architecture developed in northern France and spreading through western Europe from the middle of the 12th century to the early 16th century characterized by converging weights and strains at isolated points upon slender vertical piers and counterbalancing buttresses and by pointed arches and vaulting.

Greek Revival

A style of architecture in the first half of the 19th century marked by the use or imitation of Greek orders.


The ancient Greek architectural order especially distinguished by fluted columns on bases and scroll volutes in its capitals.


Wedge-shaped central point of an arch.


Small superstructure on top of a dome.


Decorative work in which elaborate patterns are formed by the insertion of pieces of material (such as wood, shell, or ivory) into a wood veneer that is then applied to a surface (such as a piece of furniture).


A low-ceilinged story between two main stories of a building; also, an intermediate story that projects in the form of a balcony.


Constituting a revival or adaptation of the classical especially in literature, music, art, or architecture.


Plasterwork, especially in raised ornamental figures on walls.


In classical architecture, a triangular space that forms the gable of a low-pitched roof usually filled with relief sculpture.


A vertical structural support such as the wall between two openings; a vertical member that supports the end of an arch or lintel, or an auxiliary mass of masonry used to stiffen a wall.


An upright architectural member that is rectangular in plan and is structurally a pier but architecturally treated as a column. It usually projects a third of its width or less from the wall.


In classical architecture, a colonnade or covered ambulatory often at the entrance of a building.

Renaissance Revival

An architectural style introduced to the United States in the mid-19th century, and derived from the classically ordered architecture and sculptural ornamentation of ancient Rome. It is characterized by its use of pediments, entablatures, volutes, and finials.

Roman Corinthian

Combination of Ionic and Corinthian orders.


A painted or sculpted circular surface or roundel with inlay.


A round building; especially one covered by a dome.


An assemblage of beams forming a rigid framework of support.


The recessed face of a pediment within the frame above an arched entrance.


A large and ornate house built during the Victorian Age, typically defined as the years of Queen Victoria's reign of the British Empire (1837-1901) and the height of the Industrial Revolution.


A part or feature usually projecting from and subordinate to the main or central part of a building.

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California State Capitol Museum
10th and L Streets
State Capitol
Room B-27
1315 10th Street
Sacramento, CA 95814
(916) 324-0333
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