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单词 definition
释义
definition
noun
uk
/ˌdef.ɪˈnɪʃ.ən/us
/ˌdef.ɪˈnɪʃ.ən/

definitionnoun(EXPLANATION)

B2[C]
astatementthatexplainsthemeaningof a word or phrase:
定义
adictionarydefinition词典中的定义
What is the definitionof"mood"?单词 mood 的定义是什么？
[C]
adescriptionof thefeaturesandlimitsof something:
解释，说明
Thelegaldefinitionofwhat is and what is notpornographyis veryunsatisfactory.法律对什么是色情、什么不是色情的解释令人很不满意。
by definition
because ofitsownfeatures:
根据自身特点；从本质上来讲
Psychology is by definition aninexactscience.从本质上来讲，心理学不是一门精确的科学。
See more
More examples
  • In thisbook, definitions areprintedinroman.
  • The definition of 'antique'variesbetween "100yearsold" and "made before theturnof thecentury".
  • Doubleclickon any word on thescreentoseeitsdefinition.
  • They couldn'tagreeon auniversallyacceptabledefinition of 'Marxism'.
  • Eachcountryhasitsown definition of theterms'asylumseeker' and 'refugee'.
SMART Vocabulary: related words and phrases
Reasons and explanations
  • alibi
  • amplification
  • apology
  • argumentation
  • ascribesomethingtosomething
  • ascription
  • ascriptive
  • case
  • explain
  • explication
  • exposition
  • extenuating
  • extenuation
  • flack
  • idea
  • key
  • reason
  • talk
  • talk your way out ofsomethingidiom
  • wherefores
See more results »

definitionnoun(CLEAR QUALITY)

C1[U]
howclearanimageorsoundis:
（图像或声音的）清晰度，保真度
Thephotographlacksdefinition.那张照片的清晰度很差。
SMART Vocabulary: related words and phrases
Photography
  • airbrush
  • analogue
  • aperture
  • bokeh
  • camera
  • camera obscura
  • expose
  • glossy
  • high-resolution
  • hologram
  • holographic
  • holography
  • kinetoscope
  • pap
  • pic
  • picture
  • PillCam
  • pin-up
  • pinhole camera
  • projection
See more results »
(Definition ofdefinitionfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

definition| American Dictionary

definition
noun
us
/ˌdef·əˈnɪʃ·ən/

definitionnoun(EXPLANATION)

[C]English
astatementthatexplainsthemeaningof a word or phrase:
What is the definition of “mood”?

definitionnoun(SEEING CLEARLY)

[U]
thedegreeto which something can beclearlyseenorheard:
Thetaperecordedconversationlackeddefinition – there was too muchbackgroundnoise.

Idiom

by definition
(Definition ofdefinitionfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofdefinition

definition
Here we just recall the basic definitions to prevent confusion.
From theCambridge English Corpus
Such definitions are problematic in at least three ways.
From theCambridge English Corpus
To fix ideas and put the mathematical background in place, we start with some formal definitions.
From theCambridge English Corpus
The proof is a routine diagram paste based on the definitions.
From theCambridge English Corpus
We will begin by introducing a few basic definitions.
From theCambridge English Corpus
The results show that both definitions give the same parametric dependence.
From theCambridge English Corpus
Moreover, with such definitions, equational reasoning is not easy and leads to very large proof terms.
From theCambridge English Corpus
Then we check that our definitions are well-given.
From theCambridge English Corpus
The only non-trivial case concerns the operation of functional composition; proofs for the other high-level operations can be obtained easily by applying the semantic definitions.
From theCambridge English Corpus
Before proceeding, we will recall some definitions from lattice theory.
From theCambridge English Corpus
On the rare occasions where we present definitions out of sequence, we will explain what we are doing.
From theCambridge English Corpus
The purpose of these expressions is to give us some additional control over the evaluation of subexpressions when writing definitions of the above form.
From theCambridge English Corpus
The induction base is the first case in both definitions.
From theCambridge English Corpus
To introduce this kind of domain, we need the following definitions.
From theCambridge English Corpus
A few salient definitions and facts for general categories will be provided now.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/definition##
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更新时间：2026/2/26 11:39:08