Noun
The word is derived from vacuum
of Vacuum
Source: Webster's dictionaryTechniques to produce and maintain better vacua in tubes were then developed. Source: Internet
The process of tunneling between two vacua is a form of old inflation, but new inflation must then occur by some other mechanism. Source: Internet
The set of these vacua is often called the " multiverse " or " anthropic landscape " or "string landscape." Source: Internet