duality
gb/duˈæləti/ us/duˈæləti/
C1
英語
語義
0件の語義
名詞
formal
C1
state
1
two contrasting aspects
a two-sided nature, especially when the two sides are very different or opposite
用法パターン：
the duality of [something]; a duality between [one thing] and [another]
よくある間違い：
Do not use duality simply to mean “two things.” It usually suggests two sides of one thing or an important contrast.
類義語
two-sidedness (more direct and less formal)
|
doubleness (emphasizes being double, but is less common)
|
polarity (emphasizes opposition between two sides)
|
contrast (focuses on difference, not necessarily two sides of one thing)
対義語
unity (emphasizes a single coherent whole rather than two sides)
|
oneness (emphasizes being one and undivided)
コロケーション
the duality of life
|the duality of human nature
|a central duality
|an inherent duality
|a strange duality
|explore a duality
|reflect a duality
|a duality between two things
|a sense of duality
|a sharp duality
テーマ
ideas
|contrast
|culture
|psychology
例文
- The novel explores the duality of public success and private loneliness.
- Her photographs capture the duality of city life: energy and isolation.
- The policy reflects a duality between economic ambition and environmental caution.
学習者向け例文
- City life has a duality: it is exciting but lonely.
- The story shows the duality of love and hate.
名詞
technical
C2
relation
2
technical equivalent correspondence
a technical connection showing that two different descriptions or problems are closely related or equivalent
用法パターン：
duality between [systems]; duality in [field]; [type] duality
よくある間違い：
In technical use, duality is not just a contrast; it usually means a precise correspondence or equivalence.
類義語
correspondence (emphasizes a systematic relation between two things)
|
equivalence (emphasizes that two forms can be treated as the same in a relevant way)
|
complementarity (emphasizes two descriptions that complete each other, especially in physics)
コロケーション
mathematical duality
|duality theory
|duality principle
|duality theorem
|a duality between theories
|a fundamental duality
|quantum duality
|strong-weak duality
|duality in linear programming
|duality in physics
テーマ
mathematics
|physics
|science
|logic
例文
- In physics, some models are linked by a duality that lets researchers translate one description into another.
- The course introduced duality in linear programming as a way to compare a problem with its dual.
- This mathematical duality turns points in one system into lines in another.
学習者向け例文
- The theorem shows a duality between two problems.
- This idea is called duality in physics.
名詞
formal
C2
abstract
3
two fundamental principles
the idea that something basic is divided into two opposite parts or forces
用法パターン：
the duality of [principle] and [principle]; a duality between [principle] and [principle]
よくある間違い：
Duality can describe the two-part division; dualism is often the name of the belief or theory based on that division.
類義語
dualism (more often names a formal philosophical or religious doctrine)
|
dichotomy (emphasizes a division into two opposed categories)
|
polarity (emphasizes opposition between two forces or principles)
対義語
monism (the view that reality is ultimately one kind of thing)
|
unity (emphasizes lack of fundamental division)
コロケーション
the duality of good and evil
|the duality of mind and body
|spiritual duality
|cosmic duality
|moral duality
|a basic duality
|a strict duality
|reject a duality
テーマ
philosophy
|religion
|ideas
例文
- The religion emphasizes a duality between light and darkness.
- The debate returned to the old duality of mind and body.
- For Plato, reality is often interpreted through a duality between the material and the ideal.
学習者向け例文
- Some traditions teach a duality of body and spirit.
- The system is based on a duality of good and evil.
文法
辞書形
duality
IPA
GB/duˈæləti/
US/duˈæləti/
音節・強勢
du - al - ity （3音節）
Stress on 2nd syllable (al)
活用形
Noun
- Base: duality
- Plural: dualities, duality
表現
mind-body duality
1/mˈaɪnd bˈɑdi duˈæləti/
fixed phrase
technical
mind and body split
the idea that the mind and the body are separate in some important way
例文
- The philosopher challenged the mind-body duality assumed by earlier theories.
- Modern neuroscience often questions a strict mind-body duality.
- The essay examines how illness disrupts a simple mind-body duality.
the duality of man
1/ðə duˈæləti əv mˈæn/
fixed phrase
literary
opposing sides of humanity
the idea that people can have two very different sides
例文
- Jekyll and Hyde is a classic story about the duality of man.
- The film uses the hero and his double to explore the duality of man.
- The speech presents war as proof of the duality of man: capable of compassion and cruelty.
wave-particle duality
1/wˈeɪv pˈɑɹtɪkəl duˈæləti/
fixed phrase
technical
wave and particle nature
the idea in physics that things like light can behave both like waves and like particles
例文
- Wave-particle duality explains why light can form interference patterns yet also arrive as individual photons.
- Students often meet wave-particle duality when they first study quantum mechanics.
- The experiment is famous because it demonstrates wave-particle duality.