(nautical) The maximum angle at which a watercraft can heel without capsizing.

Indicates that the speaker is a carrier of the human immunodeficiency virus.

To bring someone into a situation where they are sure to be misunderstood by others.

(communication, nautical) an emergency location radio beacon, used on ships

plural of emergency position indicating radio beacon

(physics) The antimatter equivalent of an electron, having the same mass but a positive charge

(philosophy) A doctrine that states that the only authentic knowledge is scientific knowledge, and that such knowledge can only come from positive affirmation of theories through strict scientific method, refusing every form of metaphysics.

A believer in positivism.

Related to positivism, positivistic.

(medicine) A medical imaging technique which detects the gamma rays produced by positrons emitted from injected radionuclides.