universal donor a person whose type O Rh-negative blood may be safely transfused into persons with other blood types
infrastructure the basic features of a system or organization
understatement something said in a restrained way for ironic contrast
university student a student enrolled in a college or university
universal agent someone authorized to transact every kind of business for the principal
universal quantifier a logical quantifier of a proposition that asserts that the proposition is true for all members of a class of things
universal joint coupling that connects two rotating shafts allowing freedom of movement in all directions
university extension an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
inference a conclusion you can draw based on known evidence
understated exhibiting restrained good taste
unfortunately by bad luck
inverse tangent the inverse function of the tangent
University of Nebraska a university in Lincoln, Nebraska
University of Paris a university in Paris; intellectual center of France
inverse secant the inverse function of the secant
University of Washington a university in Seattle, Washington
universal time the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
overstatement exaggeration of the importance or extent of something
anniversary the date on which an event occurred in some previous year
universal set (mathematics) the set that contains all the elements or objects involved in the problem under consideration