from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A set of numbers representing all the numbers between a pair of given numbers and including either of the endpoints.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An interval in the real line which contains one of its endpoints but not the other one: i.e., it either contains its supremum or its infimum but not both.
Sorry, no etymologies found.