Horology. loss of isochronism in a pendulum moving through circular arcs of different sizes: sometimes avoided by causing the pendulum to move through cycloidal arcs.
Military. error measured as the distance from the center of a target to the point of impact of a bomb or shell, or to the ground zero of an aerial burst.
What bizarre error gave California its name?
When the Spanish first began exploring the Pacific Coast of North America, they mistakenly believed that California was an island. (Some of the earliest and most fascinating maps of the state depict it as separated from the mainland.) This is considered one of the greatest, albeit short-lived, cartographic errors. Early mapmakers began labeling the “island” as California, the name of a mythical island in a book …
Don’t Be Accident Porn And Other Hilarious Typos
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of circular error
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019