density
gb/dˈɛnsɪti/ us/dˈɛnsɪti/
B1
Anh
~ 4000
Các nghĩa
0 nghĩa
Danh từ
B1
property
1
mass per unit volume
How heavy something is for its size.
Mẫu sử dụng:
[substance] has a density of [number]
Lỗi thường gặp:
Learners sometimes confuse 'density' with 'weight'. Density is weight relative to volume, not total weight.
Từ đồng nghĩa
concentration (Refers to how much of something is in a certain space, but can also apply to non-physical things like ideas or effort.)
Từ trái nghĩa
lightness (Refers to having little weight for its size, opposite of high density in physical terms.)
Cụm từ đi kèm
population density
|high density
|low density
|energy density
|bone density
Chủ đề
science
|physics
|measurement
Ví dụ
- The density of lead is much higher than that of aluminum.
- Scientists measured the density of the liquid to identify it.
- Population density in cities is often much greater than in rural areas.
- A high bone density can reduce the risk of fractures.
Ví dụ cho người học
- Water has a higher density than oil.
- The city has a high population density.
- This metal has a low density.
- The doctor checked my bone density.
Danh từ
B1
property
2
closeness or compactness
When things are very close together in one place.
Mẫu sử dụng:
the density of [objects/people]
Từ đồng nghĩa
compactness (Focuses on how tightly things are packed together physically.)
Từ trái nghĩa
sparsity (Refers to things being spread out with lots of empty space.)
Cụm từ đi kèm
traffic density
|crowd density
|forest density
Chủ đề
daily life
|geography
|core_vocabulary
|space
Ví dụ
- The forest's tree density makes it hard to walk through.
- Traffic density increased during rush hour.
- The crowd density at the concert was overwhelming.
Ví dụ cho người học
- The crowd density was high at the festival.
- There is a low tree density in this area.
- Traffic density is low at night.
Danh từ
informal
B2
property
3
slowness to understand
Not understanding something quickly; being slow to think.
Từ đồng nghĩa
stupidity (A stronger and more negative term for lack of intelligence.)
Từ trái nghĩa
quickness (Refers to thinking and understanding things fast.)
Cụm từ đi kèm
mental density
Chủ đề
emotions
|personality
|education
|core_vocabulary
Ví dụ
- His density on the subject frustrated the teacher.
- She laughed at her own density after missing the joke.
- I can't believe my density—I left the keys inside again.
Ví dụ cho người học
- I did not get the joke because of my density.
- Her density made the work slow.
- His density made him ask many questions.
Ngữ pháp
Dạng từ điển
density
IPA
GB/dˈɛnsɪti/
US/dˈɛnsɪti/
Âm tiết và trọng âm
dens - ity (2 âm tiết)
Stress on 1st syllable (dens)
Các dạng từ
Noun
- Base: density
- Plural: densities, density
Họ từ
Cách diễn đạt
bone density
1/bˈoʊn dˈɛnsɪti/
fixed phrase
technical
mass per volume of bone tissue
How solid and strong bones are, measured by how much mineral they have.
Ví dụ
- Regular exercise can help maintain healthy bone density.
- The test showed her bone density was lower than normal.
traffic density
1/tɹˈæfɪk dˈɛnsɪti/
fixed phrase
vehicles per road length
How many cars are on a road at the same time.
Ví dụ
- Traffic density increases during rush hour.
- Low traffic density makes driving easier.
population density
1/pˌɑpjəlˈeɪʃən dˈɛnsɪti/
fixed phrase
people per unit area
How many people live in a certain area.
Ví dụ
- Tokyo has one of the highest population densities in the world.
- Population density is lower in rural areas than in cities.
population density
2/pˌɑpjəlˈeɪʃən dˈɛnsɪti/
fixed phrase
technical
Number of people per area unit
How many people live in a certain size area, like per square kilometer.
Ví dụ
- Tokyo has one of the highest population densities in the world.
- Population density affects housing prices.