value

1. (uncountable) The degree of importance given to something.Examples: "The value of my children's happiness is second only to that of my wife."; "Okay, for the record, and this is probably obvious, those three departments do actually do things of value, assuming that you find Pell grants, mortgage insurance, low-income housing programs, the National Weather Service, the Patent and Trademark Office, and the Census Bureau to be of some value. And if it comes as news to you that that’s what those departments do, well then, hi Gary, I’m excited you’re watching the show."uncountable

2. (often plural) That which is valued or highly esteemed, such as one's morals, morality, or belief system.Examples: "He does not share his parents' values."; "family values"; "WikiLeaks did not cause these uprisings but it certainly informed them. The dispatches revealed details of corruption and kleptocracy that many Tunisians suspected, […]. They also exposed the blatant discrepancy between the west's professed values and actual foreign policies."countableoftenpluraluncountable

3. (music) The relative duration of a musical note.Examples: "The value of a crotchet is twice that of a quaver."countableuncountable

4. (art) The relative darkness or lightness of a color in (a specific area of) a painting etc.Examples: "When pigments of equal value are mixed together, the resulting color will be a darker value. This is the result of subtraction."; "Shadows and light move very quickly when you are painting on location. Use Cobalt Blue to quickly establish the painting's values."countableuncountable

5. (mathematics, physics) Any definite numerical quantity or other mathematical object, determined by being measured, computed, or otherwise defined.Examples: "The exact value of pi cannot be represented in decimal notation."countableuncountable

6. (in the plural) The valuable ingredients to be obtained by treating a mass or compound; specifically, the precious metals contained in rock, gravel, etc.Examples: "The vein carries good values."; "the values on the hanging walls"countablein-pluraluncountable