core
gb/kˈɔɹ/ us/kˈɔɹ/
A2
英語
~ 2600
語義
0件の語義
名詞
B1
entity
1
central or most important part
The main and most important part of something.
用法パターン：
the core of [something]
よくある間違い：
Learners may confuse 'core' with 'corps' (group of people) due to similar pronunciation.
類義語
center (Emphasizes physical or geometric middle more than importance)
|
heart (Often more emotional or metaphorical)
対義語
edge (Refers to the outer part, opposite of central)
コロケーション
core of the problem
|core values
|core business
|at the core
|core issue
テーマ
general
|structure
|metaphor
|core_vocabulary
例文
- At the core of the plan is a focus on education.
- Trust is at the core of any good relationship.
- The core of the Earth is made of iron and nickel.
学習者向け例文
- This is the core of the story.
- Honesty is the core of our friendship.
- The apple has a hard core inside.
名詞
A2
entity
2
hard center of fruit with seeds
The hard middle part of some fruit that has seeds in it.
用法パターン：
the core of [a fruit]
類義語
pit (Used for single large seed in some fruits like peaches)
対義語
flesh (The soft edible part around the core)
コロケーション
apple core
|pear core
|throw away the core
テーマ
food
|nature
|food_drink
例文
- She threw the apple core into the trash.
- Cut out the pear's core before baking it.
- An apple core was left on the table.
学習者向け例文
- I ate the apple and threw away the core.
- The pear's core is not tasty.
- Please put your apple core in the bin.
名詞
technical
B2
entity
3
central part of a planet or star
The middle part inside a planet or star, usually made of heavy materials.
類義語
nucleus (In astronomy, refers to central mass but also used in biology)
コロケーション
Earth's core
|solid inner core
|molten outer core
テーマ
science
|astronomy
|nature
例文
- Scientists study the Earth's core to understand its magnetic field.
- The Sun's core is extremely hot and dense.
- Seismic waves give clues about the planet's core.
学習者向け例文
- The Earth has a hot core.
- The Sun's core makes energy.
- We cannot see the Earth's core.
名詞
technical
B1
entity
4
main processing unit in a CPU
One part of a computer's brain that does work and can run programs.
類義語
processor core (More explicit technical term)
コロケーション
dual-core processor
|quad-core chip
|multi-core performance
テーマ
technology
|computing
例文
- This laptop has four cores for faster performance.
- A dual-core CPU can handle more tasks at once than a single-core one.
- Software can be optimized to use multiple cores.
学習者向け例文
- My phone has two cores.
- A computer with more cores is faster.
- This chip has four cores.
文法
辞書形
core
IPA
GB/kˈɔɹ/
US/kˈɔɹ/
音節・強勢
core （1音節）
Stress on 1st syllable (core)
活用形
Noun
- Base: core
- Plural: cores
関連語
Forms
cores
noun
Related words
corer
noun
Negative and opposite forms
coreless
adjective
表現
at the core of
1/ˈæt ðə kˈɔɹ əv/
fixed phrase
in the central or most important part
In the most important or main part of something.
例文
- At the core of her success is hard work.
- This issue is at the core of the debate.
core values
1/kˈɔɹ vˈæljuz/
fixed phrase
basic guiding beliefs or principles
The most important beliefs that guide how people act or decide things.
例文
- Integrity and respect are our core values.
- Education is one of their core values.
to the core
1/tə ðə kˈɔɹ/
fixed phrase
completely and in every way
Completely, in every way, often about character or feeling.
例文
- He is honest to the core.
- She was shaken to the core by the news.