Art Glossary
A comprehensive glossary of art terms, techniques, movements, and materials. From chiaroscuro to creative coding, find clear definitions for every art concept.
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Camaieu: Painting in a Single Color With Variations of Tone
Camaieu is painting in shades of a single color other than gray. From ancient Pompeii to Renaissance palaces to porcelain decoration, learn this monochrome technique.
Canon of Proportions: Ideal Human Measurement From Vitruvius to Leonardo
The canon of proportions is a system of ideal human measurements. From Polykleitos's Doryphoros to Leonardo's Vitruvian Man, learn how artists defined the perfect body.
Cartoon: The Full-Size Preparatory Drawing Behind Every Fresco and Tapestry
A cartoon is a full-size preparatory drawing used to transfer a composition to fresco, tapestry, or panel. From Raphael's Vatican Cartoons to Leonardo's drawings, learn how they worked.
Cartouche: The Oval Frame That Carries Names, Coats of Arms, and Decoration
A cartouche is an oval or scrolled frame enclosing names, coats of arms, or decorations. From Egyptian hieroglyphs to Renaissance ornament to Baroque maps, learn its history and uses.
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Gold Leaf (Gilding): Applying Thin Gold Sheets as Surface or Background
Gold leaf is the application of thin gold sheets as surface or background in painting. Learn gilding techniques from medieval icons to Renaissance altarpieces.
Golden Ratio: The Mathematical Proportion in Art and Composition (1:1.618)
The golden ratio is approximately 1:1.618, a proportion used in art and architecture for millennia. From the Parthenon to Le Corbusier, learn what research says about its aesthetic power.
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Harlem Renaissance: Black American Visual Culture and the First Modern Art Movement (1918-1937)
The Harlem Renaissance was the first African American-led modern art movement. From Aaron Douglas to Meta Warrick Fuller, learn how it shaped Black visual culture.
High Renaissance: Leonardo, Michelangelo, and the Peak of Classical Art (1490-1527)
The High Renaissance (1490-1527) produced Leonardo's Mona Lisa, Michelangelo's Sistine Chapel, and Raphael's School of Athens. Learn how these masters perfected Renaissance art.
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Linear Perspective: The System That Taught Painters to Depict Depth
Linear perspective is the geometric system for depicting depth on a flat surface. Learn how Brunelleschi, Alberti, and Masaccio revolutionized painting in the 1420s.
Lost-Wax Casting (Cire Perdue): The Ancient Method for Bronze Sculpture
Lost-wax casting, or cire perdue, is the ancient bronze casting method used from 4000 BCE to the Renaissance. Learn its history, technique, and key sculptors.
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Naples Yellow: The Oldest Synthetic Pigment in Art History (3500 Years)
Naples yellow is lead antimoniate, one of the oldest synthetic pigments known. First used in Egyptian glass around 1500 BCE, it shaped painting from the Renaissance to the 19th century.
Nimbus (Halo): The Circle of Light Around Sacred Heads in Art
A nimbus is the circular halo around a sacred figure's head in art. From Roman emperors to Byzantine icons to Renaissance altarpieces, learn its history and variations.
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Old Master: European Painters of Skill Before 1800
Old Master refers to European painters of exceptional skill who worked before 1800. From Leonardo to Rembrandt to Velazquez, learn what the term means and why it matters.
One-Point Perspective: The Single Vanishing Point That Organized Renaissance Space
One-point perspective uses a single vanishing point to create the illusion of depth. Learn how Masaccio, Raphael, and Perugino used it to organize space and meaning.
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Panel (Painting): The Rigid Surface That Predates Canvas by a Thousand Years
A painting panel is a rigid wood or composite surface for painting, the dominant support before canvas. Learn its history from Byzantine icons to modern MDF, types, and how to choose one.
Patronage: Who Paid for the Art That Shaped Western History
Patronage is the financial support of artists by institutions or individuals. From Medici Florence to papal Rome, learn how patrons shaped what art got made.
Picture Plane: The Imaginary Window That Defines a Painting
The picture plane is the imaginary flat surface of a painting, Alberti's open window. Learn how it shaped Renaissance art and how modern painters broke it open.
Polyptych: The Multi-Panel Altarpiece That Dominated Medieval and Renaissance Art
A polyptych is a multi-panel painting, usually an altarpiece with hinged wings. From the Ghent Altarpiece to the Isenheim Altarpiece, learn how these complex works functioned.
Predella: The Base Panel of an Altarpiece and Its Hidden Narratives
A predella is the narrow base panel of an altarpiece, painted with small narrative scenes. From Duccio to Signorelli, learn how these overlooked panels shaped Renaissance art.
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Sfumato: Gradual Blending With No Visible Lines
Sfumato is Leonardo da Vinci's technique of gradual tonal blending with no visible lines. Learn how he used it in the Mona Lisa and Virgin of the Rocks.
Sgraffito: Scratching Through One Layer to Reveal Another
Sgraffito is scratching through a surface layer to reveal a contrasting color beneath. Learn its history from Renaissance facades to pottery to contemporary painting.
Silverpoint: Metal Stylus Drawing on a Prepared Surface
Silverpoint is drawing with a silver stylus on a specially prepared surface, leaving delicate gray lines that oxidize to warm brown. Learn its history from Leonardo to today.
Space: Depth, Distance, and the Architecture of Art
Space in art refers to the distances and areas around, between, and within components of a work. From Renaissance perspective to negative space, learn how space works.
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Tempera: Egg-Based Paint, the Pre-Oil Standard
Tempera is paint made with egg yolk as a binder, the dominant medium in European painting before oil. Learn how Botticelli, Fra Angelico, and Andrew Wyeth used this ancient technique.
Terracotta: Fired Clay Sculpture from Ancient Greece to Canova
Terracotta is fired unglazed clay, used for sculpture from the Nok culture to Renaissance Italy. Its versatility and affordability made it the most widely used sculptural medium in history.
Tondo: The Circular Painting From Renaissance Florence to Modern Art
A tondo is a circular painting or relief, popular in Renaissance Florence for domestic devotional art. From Michelangelo's Doni Tondo to Botticelli, learn its history.
Triptych: The Three-Panel Painting From Byzantine Icons to Francis Bacon
A triptych is a three-panel painting, usually hinged, with a central panel and two wings. From Bosch's Garden of Earthly Delights to Bacon, learn its history and artists.
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Vanishing Point: Where Parallel Lines Converge in Perspective
The vanishing point is where parallel lines appear to converge in a perspective drawing. Learn its history from Brunelleschi to Taylor and how artists use it.
Verdaccio: Greenish Underpainting for Flesh Tones
Verdaccio is a greenish underpainting used to create lifelike flesh tones. Learn how Renaissance painters from Giotto to Michelangelo used green earth beneath warm skin colors.
Why an Art Glossary?
Art has always had a language problem. Walk into any gallery and you will hear terms like chiaroscuro, impasto, sfumato, and pentimento thrown around as if everyone knows what they mean. Most people do not. They nod along, afraid to ask, and miss half of what the painting is actually doing.
This glossary exists to fix that. Every entry is written in plain English with real examples: specific paintings, specific artists, specific dates. When we explain plein air, we point you to Monet working beside the Seine in 1873, not a generic definition copied from a dictionary. When we cover creative coding, we start with Casey Reas and Ben Fry at MIT in 2001, not a vague paragraph about "art and technology."
The terms here span centuries and disciplines. You will find Renaissance techniques sitting next to digital art movements, printmaking terminology next to motion graphics concepts. That mix is intentional. Art does not stay in neat historical boxes, and neither does the vocabulary we use to talk about it. A painter working today might need to understand glazing just as much as a 3D animator needs to know what kinetic typography means.
Each definition is a starting point, not a finish line. We write them to be specific enough that you can recognize the technique the next time you see it, but short enough that you can read one in under five minutes. If a term leads you to a painting you had not considered before, or sends you down a rabbit hole about a movement you had never heard of, the glossary is doing its job.
New terms are added regularly. If there is a concept you keep running into but cannot find here, that is a gap we want to fill. The best art terminology does not stay still. It grows as artists invent new ways of working, and the language has to keep up.