(economics) A good valued only by how it is distributed among a population and whose value comes solely from its desirability as a status symbol.

plural of positional good

(aviation) The air traffic control practice of controlling aircraft whose positions are determined by direct radar observation.

(sociology) A form of affirmative action that attempts to assist members of an underrepresented group without prejudicing the criteria of selection by merit.

(programming) a parameter that is passed by position, rather than by name, in a function call

(epidemiology) The percentage of people who have tested positive out of all of those who have been tested (for a given pathogen).

Abbreviation of Rhesus positive.

A more specific term for Rhesus positive.

(of blood or of a person) Having the RhD antigen present in red blood cells.

A strategic posture that is advantageous.