a state or system that involves complementary components
2. physics
the principle that the complete description of a phenomenon in microphysics requires the use of two distinct theories that are complementary to each other
See also duality (sense 2)
Examples of 'complementarities' in a sentence
complementarities
The whole poem is rich in such complementarities, in binary oppositions and contradictions, all meticulously calibrated, uncanny and unstable.