[ fawr-kuhl-er, fohr- ]
/ ˈfɔrˈkʌl ər, ˈfoʊr- /
the problem, solved in 1976, of proving the theorem that any geographic map can be colored using only four colors so that no connected countries with a common boundary are colored the same color.
colorismRead more in this article about some frequently asked questions and fun facts related to our definitions.
The Problem With AwesomeMany words have been wasted on the subject of when adulthood starts. Some hold that it comes about with the right to drink alcoholic beverages or vote in an election. For particularly stringent grammarians of a certain generation, the rite of passage that marks the official start of adulthood is the point at which one becomes annoyed at hearing someone say that something is awesome, …
Origin of four-color problem
First recorded in 1875–80
Also called four-color theorem.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019