Noun
Absence of ambiguity; clearness; perspicuity.
Source: Webster's dictionaryA report on an early implementation of a parser for basic SGML, the Amsterdam SGML Parser, citation notes the DTD-grammar in SGML must conform to a notion of unambiguity which closely resembles the LL(1) conditions and specifies various differences. Source: Internet
The term "well-defined" in "well-defined collection of objects" cannot, by itself, guarantee the consistency and unambiguity of what exactly constitutes and what does not constitute a set. Source: Internet