the smallest convex set containing a given set; the intersection of all convex sets that contain a given set.
“UFOs?” What bizarre event spawned the phrase “flying saucer?”There’s a fresh UFO hullabaloo, and that provides the perfect opportunity to encounter the origin of “flying saucer” and “UFO.” There are no alien autopsies, abductions or crop circles in these stories, but there is no shortage of weirdness. First, here’s the latest extraterrestrial extravaganza. A group of retired Air Force members and UFO researchers held a press conference claiming that aliens not only monitor, …
Um. . . something called a “Hindenburg Omen” has the stock market concerned. What does it means?It sounds like a sequel to “The Girl with the Dragon Tattoo,” but a “Hindenburg Omen” isn’t any fun. If you want to call attention to potential bad news, it’s hard to go wrong with the name “Hindenburg.” Paul von Hindenburg was a celebrated World War I general and a less celebrated President of Germany. The more infamous Hindenburg, however, is the dirigible named for the general and its corresponding disaster. …
- convertible preferred stock,
- convex lens,
- convex sole,
Also called convex cover, convex span.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019