dilution
gb/daɪlˈuʃən/ us/daɪlˈuʃən/
B2
Anh
Các nghĩa
0 nghĩa
Danh từ
B2
process
1
making liquid less concentrated
Dilution is making a liquid weaker by adding water or another liquid.
Mẫu sử dụng:
dilution of [a liquid/substance] with [water/a solvent]
Lỗi thường gặp:
Do not confuse dilution with dissolving; dilution reduces concentration after something is already mixed.
Từ đồng nghĩa
thinning (Less formal, often used for liquids.)
|
watering down (Informal and can suggest making something too weak.)
|
weakening (Broader and less technical.)
Từ trái nghĩa
concentration (The process or state of making a solution stronger or less diluted.)
Cụm từ đi kèm
dilution with water
|proper dilution
|safe dilution
|chemical dilution
|bleach dilution
|detergent dilution
|dilution process
|dilution rate
|sample dilution
|dilution before use
Chủ đề
chemistry
|cleaning
|food_and_drink
|healthcare
Ví dụ
- The product is safe for floors after dilution with water.
- Careful dilution reduces the acid's strength before disposal.
- The syrup needs dilution before it is served as a drink.
Ví dụ cho người học
- Add water for dilution.
- The cleaner needs dilution before use.
Danh từ
formal
C1
process
2
weakening of impact or quality
A dilution of an idea, quality, or power means it becomes weaker or less clear.
Mẫu sử dụng:
dilution of [power/standards/message/value]
Lỗi thường gặp:
In this sense, dilution is usually uncountable and often followed by of.
Từ đồng nghĩa
weakening (General and direct.)
|
erosion (Suggests gradual loss over time.)
|
reduction (More general and less image-based.)
|
watering-down (Informal; often critical.)
Từ trái nghĩa
strengthening (An increase in force, quality, or influence.)
|
reinforcement (Support that makes something stronger or more secure.)
Cụm từ đi kèm
dilution of power
|dilution of standards
|dilution of focus
|dilution of influence
|dilution of accountability
|dilution of responsibility
|message dilution
|value dilution
|avoid dilution
|risk of dilution
Chủ đề
communication
|society
|work
|politics
Ví dụ
- The committee worried about the dilution of accountability if too many departments shared the project.
- Adding more and more features led to a dilution of the app's original focus.
- Critics saw the compromise as a dilution of the reform plan.
Ví dụ cho người học
- Too many ideas caused a dilution of the message.
- The new rules led to a dilution of responsibility.
Danh từ
business
C1
process
3
reduced shareholder ownership
In business, dilution happens when new shares make each existing share represent a smaller part of the company.
Mẫu sử dụng:
dilution of [an investor's stake/shares]; dilution from [new shares/options]
Lỗi thường gặp:
Dilution reduces a percentage stake; it does not necessarily mean the number of shares someone owns goes down.
Từ đồng nghĩa
equity dilution (Specific to ownership in a company.)
|
ownership reduction (Clearer but less technical.)
Từ trái nghĩa
accretion (In finance, an increase in per-share value or earnings rather than a decrease.)
|
concentration (Ownership becomes held in larger percentages by fewer holders.)
Cụm từ đi kèm
shareholder dilution
|equity dilution
|ownership dilution
|stock dilution
|earnings dilution
|dilution risk
|dilution from options
|avoid dilution
|suffer dilution
|anti-dilution protection
Chủ đề
finance
|business
|investing
|startups
Ví dụ
- The founders accepted some dilution when they raised another round of funding.
- Existing shareholders faced dilution after the company issued new shares to employees.
- Investors asked for protection against dilution in the next financing.
Ví dụ cho người học
- New shares caused dilution for early investors.
- Dilution made her stake in the company smaller.
Danh từ
technical
C1
entity
4
diluted sample or solution
A dilution can be a prepared sample that has been weakened with water or another liquid.
Mẫu sử dụng:
[a/an] [ratio] dilution of [a sample]
Lỗi thường gặp:
This countable use is common in labs; the general process is usually uncountable.
Từ đồng nghĩa
diluted solution (Clearer and more explicit.)
|
preparation (General term for a substance prepared for use.)
|
mixture (Broader; does not necessarily imply lower concentration.)
Từ trái nghĩa
concentrate (A substance in a stronger, less diluted form.)
|
stock solution (A concentrated solution used to prepare dilutions.)
Cụm từ đi kèm
1:10 dilution
|tenfold dilution
|final dilution
|sample dilution
|viral dilution
|prepare a dilution
|make dilutions
|series of dilutions
|weak dilution
|standard dilution
Chủ đề
science
|medicine
|chemistry
Ví dụ
- The lab tested a 1:100 dilution of the blood sample.
- Prepare three dilutions and label each tube clearly.
- The instructions call for a 1:10 dilution, not the undiluted concentrate.
Ví dụ cho người học
- The lab made a weak dilution of the sample.
- Each dilution went into a different tube.
Danh từ
business
C1
process
5
weakening a brand's distinctiveness
Brand dilution happens when a brand becomes less special, less clear, or less valuable.
Mẫu sử dụng:
dilution of [a brand/trademark]
Lỗi thường gặp:
In trademark law, dilution can occur even when customers are not directly confused.
Từ đồng nghĩa
brand weakening (Clearer and less technical.)
|
trademark weakening (Specific to legal protection of a mark.)
|
erosion (Suggests gradual loss of distinctiveness or value.)
Từ trái nghĩa
brand strengthening (An increase in a brand's clarity, reputation, or value.)
|
brand protection (Actions taken to preserve a brand or trademark.)
Cụm từ đi kèm
brand dilution
|trademark dilution
|dilution by blurring
|dilution by tarnishment
|prevent dilution
|risk of dilution
|claim dilution
|protect against dilution
|brand extension
|famous mark
Chủ đề
marketing
|law
|business
|intellectual_property
Ví dụ
- Too many low-quality licensed products can cause dilution of a luxury brand.
- The company sued to prevent dilution of its famous trademark.
- A confusing brand extension risks dilution rather than growth.
Ví dụ cho người học
- Too many unrelated products can cause dilution of a brand.
- The company wanted to avoid dilution of its logo.
Ngữ pháp
Dạng từ điển
dilution
IPA
GB/daɪlˈuʃən/
US/daɪlˈuʃən/
Âm tiết và trọng âm
di - lu - tion (3 âm tiết)
Stress on 2nd syllable (lu)
Các dạng từ
Noun
- Base: dilution
- Plural: dilution, dilutions
Cách diễn đạt
anti-dilution provision
1/ˈæntaɪ daɪlˈuʃən pɹəvˈɪʒən/
fixed phrase
legal
investor protection against dilution
An anti-dilution provision helps protect investors if the company issues more shares later.
Ví dụ
- The investment agreement included an anti-dilution provision for the preferred shareholders.
- Without an anti-dilution provision, the new funding round would reduce her stake.
- Lawyers reviewed the anti-dilution provision before the startup closed the deal.
dilution factor
1/daɪlˈuʃən fˈæktɚ/
fixed phrase
technical
amount a sample is diluted
A dilution factor tells you how many times weaker the final sample is than the original sample.
Ví dụ
- The final volume was 100 mL from 10 mL of sample, so the dilution factor was 10.
- Remember to multiply the measured concentration by the dilution factor.
- The worksheet asks students to calculate the dilution factor for each tube.
dilution ratio
1/daɪlˈuʃən ɹˈeɪʃioʊ/
fixed phrase
mixing proportion for dilution
A dilution ratio tells you how much concentrate and how much water or other liquid to use.
Ví dụ
- The label recommends a dilution ratio of 1:5 for heavy-duty cleaning.
- Follow the dilution ratio on the bottle before spraying the cleaner.
- On this label, a 1:10 dilution ratio means one part concentrate with ten parts water.
serial dilution
1/sˈɪɹiəl daɪlˈuʃən/
fixed phrase
technical
repeated step-by-step dilution
A serial dilution makes a sample weaker several times in a row.
Ví dụ
- Scientists used serial dilution to estimate the number of bacteria in the sample.
- Each step in the serial dilution reduced the concentration by a factor of ten.
- The students performed a serial dilution before plating the bacteria.
vote dilution
1/vˈoʊt daɪlˈuʃən/
fixed phrase
legal
reduced voting power
Vote dilution happens when election rules make some voters' votes count for less in practice.
Ví dụ
- The plaintiffs argued that the district map caused vote dilution.
- At-large elections can lead to vote dilution if a minority group's votes are spread too thin to elect a preferred candidate.
- The court reviewed the evidence of vote dilution in the new voting plan.