Definition of "complementarity" [complementarity]

• The state or quality of being complementary: "This is where the complementarity of the masculine and the feminine so acutely emerges. They are the necessary poles of a dialectic process” ( Therese Namenek). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I was so stunned by Oz’z misuse of the term complementarity that I didn’t even notice Gary’s response."
• "The word complementarity was coined in 1998 when Sarkisian's predecessor, Robert Kocharian, was elected president to describe the country's policy of staying friends with its military ally, Russia, and the United States, which has a large Armenian diaspora as well as Europe and Iran."
• "This is the matter of black hole complementarity, which is that the observers outside and inside a black hole observe the same field amplitudes, but in complementary forms."