A duality is a situation in which two opposite ideas or feelings exist at the same time.
[formal]
We live in a world of duality, day and night, positive and negative, male and female,etc.
Synonyms: dualism, dichotomy, polarity, doubleness More Synonyms of duality
duality in British English
(djuːˈælɪtɪ)
nounWord forms: plural-ties
1.
the state or quality of being two or in two parts; dichotomy
2. physics
the principle that a wave-particle duality exists in microphysics in which wave theory and corpuscular theory are complementary. The propagation of electromagnetic radiation is analysed using wave theory but its interaction with matter is described in terms of photons. The condition of particles such as electrons, neutrons, and atoms is described in terms of de Broglie waves
3. geometry
the interchangeability of the roles of the point and the plane in statements and theorems in projective geometry
Examples of 'duality' in a sentence
duality
Indeed, your life takes on a strange duality.
Times, Sunday Times (2010)
There was a strange... duality.
John Harris THE LAST PARTY: Britpop, Blair and the demise of English rock (2003)
(noun)
We live in a world of duality.
Synonyms
dualism
dichotomy
a dichotomy between the academic world and the industrial world
polarity
the polarities of good and evil
doubleness
biformity
duplexity
Additional synonyms
in the sense of dichotomy
Definition
division into two opposed groups or parts
a dichotomy between the academic world and the industrial world
Synonyms
division,
gulf,
split,
separation,
polarity,
disjunction
in the sense of polarity
Definition
the state of having two directly opposite tendencies or opinions