valuation

1. An estimation of something's worth. (countable, uncountable)
2. The process of estimating the value of a financial asset or liability. (countable, uncountable)
3. An assignment of truth values to propositional variables, with a corresponding assignment of truth values to all propositional formulas with those variables (obtained through the recursive application of truth-valued functions corresponding to the logical connectives making up those formulas). (countable, uncountable)
4. A structure, and the corresponding assignment of a truth value to each sentence in the language for that structure. (countable, uncountable)
5. A measure of size or multiplicity. (countable, uncountable)
6. A map from the class of open sets of a topological space to the set of positive real numbers including infinity. (countable, uncountable)

Plural valuations