reduction
gb/ɹɪdˈʌkʃən/ us/ɹɪdˈʌkʃən/
B1
อังกฤษ
~ 1600
ความหมาย
0 ความหมาย
คำนาม
B1
action
1
process of making smaller or less
The act of making something smaller or less.
รูปแบบการใช้:
a reduction in [something]
ข้อผิดพลาดที่พบบ่อย:
Learners sometimes confuse 'reduction' with 'discount'. 'Reduction' is the process of making something less, while 'discount' usually refers to a lower price offered to customers.
คำพ้องความหมาย
decrease (More general and common; can be used for both countable and uncountable changes.)
|
cutback (Often used for reductions in spending, staff, or services.)
คำตรงข้าม
increase (Opposite in meaning; refers to making something larger or greater.)
คำที่ใช้ร่วมกัน
price reduction
|risk reduction
|reduction in size
|waste reduction
|cost reduction
หัวข้อ
business
|daily life
|science
|core_vocabulary
ตัวอย่าง
- The company announced a significant reduction in staff numbers.
- We need to work on the reduction of plastic waste.
- There has been a reduction in crime rates this year.
- The new law aims at the reduction of carbon emissions.
- A 10% reduction in prices attracted more customers.
ตัวอย่างสำหรับผู้เรียน
- There is a reduction in food prices.
- The doctor wants a reduction in my sugar intake.
- We saw a reduction in noise after the window was fixed.
- The school made a reduction in homework.
- A reduction in costs helped the shop.
คำนาม
technical
B2
event
2
chemical gain of electrons
In chemistry, when a substance gains electrons or has a lower oxidation level.
ข้อผิดพลาดที่พบบ่อย:
Learners may confuse 'reduction' with 'reducing amount'. In chemistry, it refers to electron gain, not making something smaller.
คำพ้องความหมาย
electron gain (Describes the same process but less commonly used as a term.)
คำตรงข้าม
oxidation (The opposite chemical process where electrons are lost.)
คำที่ใช้ร่วมกัน
oxidation and reduction
|reduction reaction
|metal reduction
หัวข้อ
science
ตัวอย่าง
- Reduction occurs when copper ions gain electrons to form copper metal.
- The reaction involves both oxidation and reduction steps.
- Hydrogen gas is produced by the reduction of protons.
ตัวอย่างสำหรับผู้เรียน
- Reduction is when something gets more electrons.
- In this reaction, iron goes through reduction.
- Reduction and oxidation happen together.
คำนาม
B2
entity
3
thickened sauce by boiling down
A sauce made thicker and stronger by cooking it until some liquid is gone.
ข้อผิดพลาดที่พบบ่อย:
Learners sometimes think 'reduction' here means less food; it actually means concentrated flavor by boiling down liquid.
คำพ้องความหมาย
concentrate (General term for a liquid with reduced volume and intensified flavor.)
คำที่ใช้ร่วมกัน
wine reduction
|balsamic reduction
หัวข้อ
food
|food_drink
|daily_life
ตัวอย่าง
- The chef served the steak with a red wine reduction.
- Balsamic reduction adds sweetness to the salad.
- The sauce is a simple lemon and butter reduction.
ตัวอย่างสำหรับผู้เรียน
- I made a balsamic reduction for the salad.
- The meat came with a wine reduction.
- We had fish with lemon reduction.
ไวยากรณ์
รูปคำในพจนานุกรม
reduction
IPA
GB/ɹɪdˈʌkʃən/
US/ɹɪdˈʌkʃən/
พยางค์และการเน้นเสียง
re - duc - tion (3 พยางค์)
Stress on 2nd syllable (duc)
รูปคำ
Noun
- Base: reduction
- Plural: reduction, reductions
กลุ่มคำที่เกี่ยวข้อง
Forms
reductions
noun
Core family
reduce
verb A2
Related words
reducer
noun
Negative and opposite forms
irreducible
adjective
Advanced or less common
reducible
adjective
reductive
adjective
วลีและสำนวน
price reduction
1/pɹˈaɪs ɹɪdˈʌkʃən/
fixed phrase
lowering the selling price
When the cost of something is made lower.
ตัวอย่าง
- The store is offering a big price reduction on winter coats.
- We waited for a price reduction before buying the laptop.
risk reduction
1/ɹˈɪsk ɹɪdˈʌkʃən/
fixed phrase
making danger less likely
Doing things to make danger or harm less likely.
ตัวอย่าง
- Seat belts are an important part of risk reduction in cars.
- The program focuses on risk reduction for heart disease.
waste reduction
1/wˈeɪst ɹɪdˈʌkʃən/
fixed phrase
producing less waste material
Making less trash or unwanted material.
ตัวอย่าง
- Waste reduction is key to protecting the environment.
- The company started a waste reduction program.