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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Appraisal: Professional Valuation of Artwork and How It Works
An appraisal is a documented, defensible opinion of an artwork's value for a stated purpose. Learn about USPAP standards, types of value, the IRS Art Advisory Panel, and what it costs.
Art Fair: The Commercial Event Where the Art Market Convenes
An art fair is a commercial event where galleries rent booths to sell work. From Art Basel to Frieze, learn how fairs became the art market's central marketplace.
Auction House: The Company That Sells Art to the Highest Bidder
An auction house is a company that facilitates public art sales through competitive bidding. From Christie's (1766) to Sotheby's, learn how auctions shape the art market.
Authenticity: Verifying That a Work of Art Is Genuine
Authenticity means a work of art is genuinely by the attributed artist. From forgery scandals to AI authentication, learn how the art world verifies what is real and what is not.
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Certificate of Authenticity: The Artwork's Identity Card and Its Limits
A certificate of authenticity verifies a work's origin, medium, and authorship. From paper documents to digital verification, learn what a credible COA contains and why it matters.
Commission (Art): Custom Work Requested and Paid For by a Buyer
An art commission is a custom artwork requested and paid for by a buyer. From Renaissance patrons to contemporary practice, learn how commissions work and what they involve.
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Gallerist: The Dealer Who Builds Careers, Not Just Sells Art
A gallerist owns and operates a commercial gallery, representing artists and building their careers. Learn what gallerists do, from Peggy Guggenheim to today's independent dealers.
Gallery (Commercial): The Business That Sells Art by Representing Artists
A commercial gallery is a business that represents artists and sells their work. From Gagosian to small project spaces, learn how galleries function in the art market.
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.