duality

English

Etymology

From (deprecated template usage) [etyl] Latin duālitās.

dual +‎ -ity

Pronunciation

• IPA^(key): /d(j)uːˈælɪti/
• 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

• wave-particle duality

Translations

classification into two subclasses or opposed parts

• Finnish: kaksijakoisuus (fi), kaksinaisuus
• French: dualité (fr) f
• Occitan: dualitat
• (deprecated template usage) {{trans-mid}}
• Persian: زوجیت (fa)
• Polish: dwoistość (pl) f, dualność f
• Scottish Gaelic: dà-fhillteachd f

interchangeability of points and planes

• French: dualité (fr) f
• German: Dualität (de) f
• (deprecated template usage) {{trans-mid}}
• 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
• (deprecated template usage) {{trans-mid}}
• Persian: زوجیت (fa)
• Polish: dualność f
• Portuguese: dualidade (pt) f