concrete
gb/kˈɑŋkɹit/ us/kˈɑŋkɹit/
A2
英語
~ 3900
語義
0件の語義
名詞
A2
entity
1
Hard building material
A hard material made from cement, water, sand, and stones, used to build things.
用法パターン：
[something] made of concrete
よくある間違い：
Learners sometimes confuse 'cement' with 'concrete'. Cement is only one part of concrete.
類義語
cement (Cement is the powder ingredient used to make concrete; not the final material.)
対義語
timber (Timber is a building material made from wood, not stone-like concrete.)
コロケーション
pour concrete
|set concrete
|reinforced concrete
|concrete block
|concrete slab
テーマ
construction
|materials
|engineering
|housing
|work
|science
例文
- The workers poured concrete to form the building's foundation.
- The path was made of smooth concrete.
- Reinforced concrete is stronger than plain concrete.
- They laid a concrete floor in the garage.
学習者向け例文
- The wall is made of concrete.
- They use concrete to make the road.
- Concrete is very strong.
- He poured concrete into the hole.
adjective
B1
property
2
Real and physical
Something you can see or touch, not just an idea.
用法パターン：
concrete [thing/example/result]
よくある間違い：
Learners may think 'concrete' only means the building material and miss its use for 'real' things.
類義語
tangible (Tangible often means something that can be touched or clearly felt; slightly broader than 'concrete'.)
対義語
abstract (Abstract means existing as an idea or concept only, without physical form.)
コロケーション
concrete example
|concrete evidence
|concrete result
テーマ
descriptions
|philosophy
|core_vocabulary
|science
例文
- She gave a concrete example to support her point.
- We need concrete evidence before making an arrest.
- The plan lacks any concrete details.
学習者向け例文
- He gave a concrete example.
- We need concrete facts.
- This is a concrete plan.
動詞
technical
B2
action
3
Cover with concrete
To put concrete on something to make it hard and solid.
用法パターン：
to concrete [an area/surface]
類義語
pave (Pave can refer to covering with other materials like asphalt, not just concrete.)
対義語
excavate (Excavate means to remove earth or material, opposite of covering with concrete.)
コロケーション
concrete over
|concrete surface
テーマ
construction
|materials
|housing
|work
例文
- They decided to concrete over the old garden.
- The driveway will be concreted next week.
- The workers concreted the area to make a new parking lot.
学習者向け例文
- They will concrete the road.
- We concreted the floor yesterday.
- The workers will concrete the path.
文法
辞書形
concrete
IPA
GB/kˈɑŋkɹit/
US/kˈɑŋkɹit/
音節・強勢
con - crete （2音節）
Stress on 1st syllable (con)
活用形
Adjective
- Base: concrete
Noun
- Base: concrete
- Plural: concrete
Verb
- Base: concrete
- 3rd Person Singular: concretes
- Present Participle: concreting
- Past: concreted
関連語
Forms
concretes
verb
concreting
verb
concreted
verb
Related words
concretely
adverb
Negative and opposite forms
abstract
adjective B2
表現
reinforced concrete
1/ɹˌiɪnfˈɔɹst kˈɑŋkɹit/
fixed phrase
technical
Concrete with steel reinforcement
Concrete that has steel inside to make it stronger.
例文
- The bridge was built using reinforced concrete.
- Reinforced concrete is common in tall buildings.
set in concrete
4/sˈɛt ˈɪn kˈɑŋkɹit/
idiom
Fixed and unchangeable
Not possible to change; permanent.
例文
- The schedule is not set in concrete yet.
- Our plans are set in concrete now, so we can't make changes.
concrete jungle
2/kˈɑŋkɹit d͡ʒˈʌŋɡəl/
idiom
city of concrete buildings
A city area with many big buildings and almost no trees or green places, often seen as ugly or hard to live in.
例文
- He grew up in a concrete jungle with hardly any parks.
- Tourists are often surprised by how much green space there is in what looks like a concrete jungle from above.
- She misses the trees and hates living in a concrete jungle.
concrete jungle
3/kˈɑŋkɹit d͡ʒˈʌŋɡəl/
idiom
informal
Crowded urban area
A city area with many buildings and very few trees or plants.
例文
- He moved from a small town to the concrete jungle of New York City.
- Some people love living in a concrete jungle; others find it stressful.