duality

English

Etymology

From Latin duālitās.

From dual +‎ -ity.

Pronunciation

• IPA^(key): /d(j)uːˈælɪti/

• Audio (Southern England):

  (file)

• Rhymes: -ælɪti

Noun

duality (countable and uncountable, plural dualities)

1. A classification into two subclasses or opposed parts.
2. (projective geometry) The interchangeability of points and planes.
3. (mathematics, physics) The mathematical equivalence of two seemingly different theoretical descriptions of a physical system.

Synonyms

• dichotomy

Derived terms

• autoduality
• Koszul duality
• nonduality
• non-self-duality
• pseudoduality
• self-duality
• wave-particle duality

Translations

classification into two subclasses or opposed parts

Finnish: kaksijakoisuus (fi), kaksinaisuus French: dualité (fr) f Occitan: dualitat Persian: زوجیت (fa) Polish: dwoistość (pl) f, dualność f Portuguese: dualidade (pt) Scottish Gaelic: dà-fhillteachd f

interchangeability of points and planes

French: dualité (fr) f German: Dualität (de) f Portuguese: dualidade (pt) f

mathematical equivalence of two seemingly different theoretical descriptions of a physical system

Bulgarian: дуализъм m (dualizǎm) Finnish: duaalisuus French: dualité (fr) f Persian: زوجیت (fa) Polish: dualność f Portuguese: dualidade (pt) f