radical
gb/ɹˈædɪkəl/ us/ɹˈædɪkəl/
B1
Anh
~ 2600
Các nghĩa
0 nghĩa
adjective
B2
property
1
Extreme or far from the usual
Very different from normal or traditional; extreme.
Mẫu sử dụng:
[someone/something] is radical
Lỗi thường gặp:
Learners sometimes confuse 'radical' with 'rad', which is slang for 'cool' and not appropriate in formal contexts.
Từ đồng nghĩa
extreme (More general and can apply to degree or intensity without implying novelty or change.)
|
revolutionary (Suggests bringing about major change, often political or social.)
Từ trái nghĩa
moderate (Implies avoiding extremes and preferring gradual change.)
Cụm từ đi kèm
radical change
|radical reform
|radical idea
|radical approach
|radical solution
Chủ đề
politics
|society
|change
|core_vocabulary
Ví dụ
- The new leader proposed a radical change to the education system.
- Her views on environmental policy are considered radical by many.
- The company adopted a radical approach to solving the problem.
- He made a radical decision to quit his job and travel the world.
- This was a radical departure from their usual style.
Ví dụ cho người học
- This is a radical idea.
- The city needs radical changes.
- She has radical plans for the school.
- He wants a radical new law.
- It was a radical move by the team.
Danh từ
B2
entity
2
Person with extreme views
A person who wants big changes in politics or society.
Mẫu sử dụng:
[someone] is a radical
Từ đồng nghĩa
extremist (Often more negative, can imply willingness to use force or violence.)
Từ trái nghĩa
moderate (Supports gradual change rather than extreme measures.)
Cụm từ đi kèm
political radical
|social radical
|left-wing radical
Chủ đề
politics
|society
|relationships
Ví dụ
- The radicals in the movement demanded immediate action.
- He was seen as a radical during his university days.
- Some radicals were arrested during the protest.
- The party's radicals opposed the compromise.
- She has been labeled a radical for her beliefs.
Ví dụ cho người học
- He is a radical in politics.
- The group has many radicals.
- She is called a radical by her friends.
- Some radicals want fast change.
- Radicals often fight for new ideas.
adjective
informal
B1
property
3
Excellent or impressive (slang)
(Slang) Very good or cool.
Mẫu sử dụng:
[something] is radical
Lỗi thường gặp:
Learners may use this slang in formal situations where it is inappropriate.
Từ đồng nghĩa
awesome (Very informal, similar casual tone.)
|
cool (Informal, common in youth speech.)
Từ trái nghĩa
lame (Slang for boring or unimpressive.)
Cụm từ đi kèm
radical design
|radical performance
Chủ đề
slang
|youth_culture
|communication
|core_vocabulary
Ví dụ
- That skateboard trick was totally radical!
- The concert last night was radical.
- Your new bike looks radical!
Ví dụ cho người học
- The movie was radical.
- His car is radical.
- That game is radical.
Danh từ
technical
C1
entity
4
Group of atoms in chemistry
(Chemistry) A group of atoms that act together in reactions.
Cụm từ đi kèm
free radical
Chủ đề
science
|chemistry
Ví dụ
- Free radicals can damage cells and lead to aging.
- A hydroxyl radical is highly reactive.
- Chemists study how radicals affect reactions.
Ví dụ cho người học
- Free radicals can harm the body.
- A radical can change other molecules.
- Some radicals react very fast.
Danh từ
technical
B2
entity
5
Mathematical root symbol or value
(Math) The √ sign or the number under it that shows a root.
Cụm từ đi kèm
square root radical
Chủ đề
mathematics
|education
|science
Ví dụ
- In √9, the radical sign indicates a square root.
- The expression under the radical is 16.
- Simplify the radical before solving the equation.
Ví dụ cho người học
- The radical sign means root.
- We see a radical in this math problem.
- A radical can show a square root.
Ngữ pháp
Dạng từ điển
radical
IPA
GB/ɹˈædɪkəl/
US/ɹˈædɪkəl/
Âm tiết và trọng âm
rad - ic - al (3 âm tiết)
Stress on 1st syllable (rad)
Các dạng từ
Adjective
- Base: radical
Noun
- Base: radical
- Plural: radicals
Họ từ
Forms
radicals
noun
Core family
radically
adverb B2
Related words
radicalism
noun
Negative and opposite forms
moderate
adjective B1
Advanced or less common
radicalize
verb
radicalization
noun C1
Cách diễn đạt
free radical
1/fɹˈi ɹˈædɪkəl/
fixed phrase
technical
Atom/molecule with unpaired electron
An atom or molecule that has an unpaired electron and can react easily.
Ví dụ
- Free radicals can cause damage to cells.
- Antioxidants help neutralize free radicals.
radical change
1/ɹˈædɪkəl t͡ʃˈeɪnd͡ʒ/
fixed phrase
Major and complete transformation
A big and complete change.
Ví dụ
- The country needs a radical change in its energy policy.
- Radical change is necessary to solve the crisis.
radical reform
1/ɹˈædɪkəl ɹɪfˈɔɹm/
fixed phrase
Thorough alteration of system/law
A big and complete change to laws or systems.
Ví dụ
- The education system requires radical reform.
- Radical reform of the tax code is long overdue.