constant
gb/kˈɑnstənt/ us/kˈɑnstənt/
B1
Anh
~ 2000
Các nghĩa
0 nghĩa
adjective
B1
property
1
Not changing or varying
Staying the same and not changing.
Mẫu sử dụng:
[something] is constant
Lỗi thường gặp:
Learners sometimes confuse 'constant' with 'consistent'. 'Constant' means unchanging, while 'consistent' means acting or happening in the same way over time.
Từ đồng nghĩa
unchanging (Emphasizes that something stays exactly the same.)
|
steady (Suggests smoothness or stability without change.)
Từ trái nghĩa
variable (Means likely to change or showing variation.)
Cụm từ đi kèm
constant pressure
|constant temperature
|constant flow
|constant supply
|constant attention
Chủ đề
general
|science
|mathematics
|core_vocabulary
|time
Ví dụ
- The temperature inside the fridge remains constant.
- He lived in constant fear of losing his job.
- The speed of light is a constant value in physics.
- She kept a constant watch on her children.
- The machine requires constant maintenance.
Ví dụ cho người học
- The weather is constant here.
- My phone is in constant use.
- The water flow is constant.
- He works at a constant speed.
adjective
B1
property
2
Happening all the time
Happening again and again without stopping.
Mẫu sử dụng:
[someone/something] is in constant [state]
Lỗi thường gặp:
Some learners confuse 'constant' with 'instant'. 'Instant' means happening immediately, not continuously.
Từ đồng nghĩa
continuous (Stresses no breaks or interruptions.)
|
persistent (Emphasizes ongoing action, sometimes annoyingly.)
Từ trái nghĩa
occasional (Happening from time to time, not often.)
Cụm từ đi kèm
constant noise
|constant calls
|constant interruptions
|constant complaints
Chủ đề
daily life
|emotions
|core_vocabulary
|time
Ví dụ
- She was annoyed by the constant noise from the street.
- His phone received constant calls throughout the day.
- The baby’s constant crying made it hard to sleep.
- We faced constant interruptions during the meeting.
Ví dụ cho người học
- There is constant noise outside.
- He gets constant emails at work.
- I hear constant music from the next room.
Danh từ
technical
B2
entity
3
A value that stays the same
A number or amount that always stays the same in math or science.
Mẫu sử dụng:
[a/the] constant [value/number]
Lỗi thường gặp:
Learners may confuse 'constant' (fixed value) with 'coefficient', which multiplies a variable and can be fixed but has a different role.
Từ đồng nghĩa
fixed value (Plain description of something that does not vary.)
Từ trái nghĩa
variable (In math/science, something that can change in value.)
Cụm từ đi kèm
universal constant
|mathematical constant
|physical constant
Chủ đề
mathematics
|science
|technology
|education
Ví dụ
- Pi is a mathematical constant representing the ratio of a circle’s circumference to its diameter.
- The speed of light in a vacuum is a universal constant.
- In this equation, 'c' is a constant.
Ví dụ cho người học
- Pi is a constant in math.
- The speed of light is a constant.
- This number is a constant in the formula.
Ngữ pháp
Dạng từ điển
constant
IPA
GB/kˈɑnstənt/
US/kˈɑnstənt/
Âm tiết và trọng âm
con - stant (2 âm tiết)
Stress on 1st syllable (con)
Các dạng từ
Adjective
- Base: constant
Noun
- Base: constant
- Plural: constants
Họ từ
Forms
constants
noun
Core family
constantly
adverb B1
Related words
constancy
noun B2
Negative and opposite forms
inconstant
adjective
Cách diễn đạt
in constant contact
2/ˈɪn kˈɑnstənt kˈɑntˌækt/
fixed phrase
Communicating very often
Talking or writing to each other very often.
Ví dụ
- We stayed in constant contact while she was abroad.
- The teams are in constant contact to coordinate efforts.
constant companion
1/kˈɑnstənt kəmpˈænjən/
fixed phrase
Someone always with another person
A person or thing that is always with someone.
Ví dụ
- Her dog was her constant companion for over a decade.
- Pain became his constant companion after the accident.
- Loneliness had been his constant companion since moving away.
- Her phone is her constant companion wherever she goes.
- During that lonely year, anxiety was his constant companion.