1a firm decision to do or not to do something:she kept her resolution not to see Anne any more a New Year’s resolution a formal expression of opinion or intention agreed on by a legislative body or other formal meeting, typically after taking a vote:the conference passed two resolutions 2 [mass noun] the quality of being determined or resolute:he handled the last British actions of the war with resolution 3 [mass noun] the action of solving a problem or contentious matter:the peaceful resolution of all disputes [count noun]:a successful resolution to the problem Music the passing of a discord into a concord during the course of changing harmony: tension is released by the resolution from the dominant to the tonic chord Medicine the disappearance of a symptom or condition: complete remission was defined as resolution of clinical evidence of disease 4 [mass noun]
chiefly Chemistry the process of reducing or separating something into constituent parts or components.
Physics the replacing of a single force or other vector quantity by two or more jointly equivalent to it.
5the smallest interval measurable by a telescope or other scientific instrument; the resolving power. [mass noun] the degree of detail visible in a photographic or television image:a high-resolution monitor