Mean variance analysis is a component of modern portfolio theory, which assumes investors make rational decisions, and that for increased risk they expect a higher return. Next Up.
sitâ²-in`. 1. an organized passive protest against racial segregation in which the demonstrators occupy seats prohibited to them in public places. 2. any organized protest in which the demonstrators occupy and refuse to leave a public place.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: sitting, posing(noun) (photography) the act of assuming a certain position (as for a photograph or portrait) he wanted his portrait painted but couldn't spare time for the sitting. sitting(noun) the act of assuming or maintaining a seated position.