complementarity
Concise Oxford English Dictionary © 2008 Oxford University Press:
complementarity/kɒmplɪmɛnˈtarɪti/
▶noun (pl. complementarities)
- 1 a situation in which two or more different things enhance each other or form a balanced whole.
- 2 Physics the concept that two contrasted theories may be able to explain a set of phenomena, although each separately only accounts for some aspects.
'complementarity' also found in these Oxford entries:

