| Learning / English Dictionary |
DUALITY
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
(geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry
Classified under:
Nouns denoting attributes of people and objects
Hypernyms ("duality" is a kind of...):
exchangeability; fungibility; interchangeability; interchangeableness (the quality of being capable of exchange or interchange)
Domain category:
geometry (the pure mathematics of points and lines and curves and surfaces)
Sense 2
Meaning:
(physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory
Synonyms:
duality; wave-particle duality
Classified under:
Nouns denoting attributes of people and objects
Hypernyms ("duality" is a kind of...):
property (a basic or essential attribute shared by all members of a class)
Domain category:
natural philosophy; physics (the science of matter and energy and their interactions)
Derivation:
dual (a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural))
Sense 3
Meaning:
Being twofold; a classification into two opposed parts or subclasses
Example:
the dichotomy between eastern and western culture
Synonyms:
dichotomy; duality
Classified under:
Nouns denoting groupings of people or objects
Hypernyms ("duality" is a kind of...):
categorisation; categorization; classification (a group of people or things arranged by class or category)
Derivation:
dual (consisting of or involving two parts or components usually in pairs)
