four-color

American  

[fawr-kuhl-er, fohr-] / ˈfɔrˌkʌl ər, ˈfoʊr- /

adjective

Printing.

1. noting or pertaining to a process for reproducing colored illustrations in a close approximation to their original hues by photographing the artwork successively through magenta, cyan, and yellow color-absorbing filters to produce four plates that are printed successively with yellow, red, blue, and black inks.

---

Example Sentences

Schneider, 42, is clad in several muted shades of green — a short-sleeved work shirt with a Bic four-color ballpoint in the left breast pocket, paint-spattered pants and lighter green socks.

From Los Angeles Times

Francis Guthrie first conjectured the four-color theorem in 1852 when he noticed that the counties of England only needed four colors to properly fill.

From Scientific American

The four-color theorem is now widely accepted as a fact, but still a yearning lingers over it.

From Scientific American

Eleven years after the publication of the first proof, both proofs were overturned and the slippery four-color theorem reverted its status back to the four-color conjecture.

From Scientific American

In 1976, after years of fine-tuning and over a thousand hours of computer time, their algorithm finished exhaustively checking every case and the four-color theorem was established.

From Scientific American