What is another word for open interval?
Pronunciation: [ˈə͡ʊpən ˈɪntəvə͡l] (IPA) 
An open interval is a mathematical term used to describe a range of numbers that includes all values between two specified numbers, but excludes the endpoints themselves. Synonyms for this concept include "unbounded interval," "non-inclusive interval," and "punctured interval." Other related terms include "half-open interval," which excludes only one endpoint, and "closed interval," which includes the endpoints themselves. Open intervals are used in calculus and other areas of mathematics to represent continuous functions and define limits and derivatives. Understanding the various synonyms for this term can help students better comprehend these complex mathematical concepts.
