dispersal
gb/dɪspˈɚsəl/ us/dɪspˈɚsəl/
C1
英語
語義
0件の語義
名詞
C1
process
1
spreading out in different directions
when something spreads out and is not in one place anymore
用法パターン：
the dispersal of [people/things/substance]
よくある間違い：
Learners may confuse dispersal with dispersion (a related science term) or with disbursal/disbursement (money).
類義語
scattering (emphasizes separation into many small parts or groups)
|
spreading (focuses on covering a wider area)
|
distribution (often suggests planned or organized spreading)
対義語
concentration (being gathered together in one area)
|
gathering (the coming together of people or things)
コロケーション
the dispersal of smoke
|the dispersal of pollen
|the dispersal of ash
|rapid dispersal
|wide dispersal
|natural dispersal
|forced dispersal
|dispersal across the region
|dispersal into the air
|dispersal throughout the city
テーマ
daily_life
|science
|environment
例文
- The wind helped the dispersal of smoke from the fire.
- Scientists tracked the dispersal of ash after the eruption.
- Improved ventilation speeds up the dispersal of fumes.
学習者向け例文
- The dispersal of the smell was slow.
- Rain caused the dispersal of dust.
名詞
technical
C1
process
2
animals or plants spreading to new areas
when animals or plants spread to new places
用法パターン：
[species/seed] dispersal
よくある間違い：
Learners may use migration when the meaning is specifically spreading out from an origin, especially for young animals or seeds.
類義語
spread (more general; less technical than dispersal)
|
range expansion (emphasizes increase in geographic range over time)
対義語
localization (being limited to one area)
|
confinement (being kept within boundaries)
コロケーション
seed dispersal
|species dispersal
|offspring dispersal
|long-distance dispersal
|dispersal ability
|dispersal corridor
|dispersal distance
|dispersal mechanism
|juvenile dispersal
|animal dispersal
テーマ
biology
|environment
例文
- Birds play a major role in the dispersal of seeds.
- The study looked at wolf dispersal into nearby valleys.
- Habitat corridors can support dispersal between populations.
学習者向け例文
- Bees help the dispersal of pollen.
- Seeds need water for dispersal.
名詞
formal
C1
event
3
breaking up a crowd
when people in a crowd are made to go home
用法パターン：
the dispersal of [a crowd/protesters]
よくある間違い：
Do not use dispersal to mean a peaceful ending of an event unless the idea is that people spread out and leave.
類義語
break-up (more informal; often used for ending a group or fight)
|
clearing (focuses on removing people from an area)
対義語
assembly (people coming together in a group)
|
gathering (forming a crowd or group)
コロケーション
crowd dispersal
|the dispersal of protesters
|the dispersal of a demonstration
|ordered dispersal
|forced dispersal
|peaceful dispersal
|violent dispersal
|dispersal tactics
|dispersal powers
|dispersal order
テーマ
law
|society
|security
例文
- Police ordered the dispersal of the crowd after the match.
- The dispersal of protesters was filmed by bystanders.
- Officials negotiated a peaceful dispersal from the square.
学習者向け例文
- The police asked for dispersal.
- After the concert, the dispersal was quick.
名詞
formal
C1
process
4
spreading forces to reduce risk
spreading people or equipment out for safety
用法パターン：
the dispersal of [forces/aircraft/resources]
よくある間違い：
Learners may overuse distribution; dispersal often implies reducing concentration to avoid damage or attack.
類義語
deployment (emphasizes positioning for action, not just spreading out)
|
redistribution (emphasizes moving from one arrangement to another)
対義語
consolidation (bringing things together into fewer locations)
|
concentration (keeping forces or assets grouped)
コロケーション
aircraft dispersal
|force dispersal
|dispersal of troops
|dispersal of assets
|strategic dispersal
|emergency dispersal
|planned dispersal
|dispersal sites
|dispersal plan
|dispersal measures
テーマ
military
|security
|emergency_management
例文
- The dispersal of aircraft to smaller airfields reduced the risk of attack.
- The plan called for the dispersal of supplies across several depots.
- Officials discussed dispersal measures ahead of the storm.
学習者向け例文
- They planned the dispersal of equipment.
- Dispersal can make an基地 safer.
名詞
formal
C1
process
5
distributing something among many recipients
giving out something to many people or places
用法パターン：
the dispersal of [funds/payments/aid]
よくある間違い：
For money, disbursement is often the more standard term in finance; dispersal is broader and can sound less precise.
類義語
distribution (more common and neutral for organized giving out)
|
allocation (emphasizes deciding how much each person or place gets)
対義語
withholding (keeping something back instead of giving it out)
|
accumulation (building up in one place rather than spreading out)
コロケーション
dispersal of funds
|dispersal of payments
|dispersal of aid
|dispersal of grants
|the timely dispersal
|the slow dispersal
|dispersal mechanism
|dispersal process
|dispersal to households
|dispersal across agencies
テーマ
business
|government
例文
- The report criticized the slow dispersal of emergency funds.
- New rules govern the dispersal of aid to local councils.
- The agency published a schedule for the dispersal of payments.
学習者向け例文
- The government announced the dispersal of money.
- Aid dispersal started yesterday.
名詞
technical
C1
process
6
spreading of pollutants in air or water
how a chemical spreads in air or water
用法パターン：
the dispersal of [pollutants/chemicals] in [air/water]
よくある間違い：
Learners may confuse dispersal with dissolution (mixing into a liquid) or diffusion (a specific physical mechanism).
類義語
dispersion (often used in technical contexts for spreading in a medium)
|
diffusion (more specific: spreading caused by particle movement)
対義語
containment (preventing a substance from spreading)
|
accumulation (build-up in one area rather than spreading)
コロケーション
pollutant dispersal
|chemical dispersal
|dispersal in the atmosphere
|ocean dispersal
|a dispersal model
|dispersal modeling
|dispersal plume
|dispersal conditions
|dispersal rates
|aerosol dispersal
テーマ
environment
|science
|health
例文
- The study modeled the dispersal of pollutants in the bay.
- Wind direction affects the dispersal of airborne particles.
- Booms were used to limit the dispersal of oil near the shore.
学習者向け例文
- Wind can change dispersal of smoke.
- The team studied dispersal in water.
文法
辞書形
dispersal
IPA
GB/dɪspˈɚsəl/
US/dɪspˈɚsəl/
音節・強勢
dis - pers - al （3音節）
Stress on 2nd syllable (pers)
活用形
Noun
- Base: dispersal
- Plural: dispersal, dispersals
関連語
Forms
dispersals
noun
Core family
disperse
verb B2
dispersion
noun
Related words
dispersed
adjective
Advanced or less common
dispersive
adjective
dispersible
adjective
表現
crowd dispersal
1/kɹˈaʊd dɪspˈɚsəl/
fixed phrase
formal
breaking up a crowd
actions to make a crowd go away
例文
- The training covered crowd dispersal techniques.
- Tear gas is sometimes used for crowd dispersal.
- Officials said the crowd dispersal was necessary for safety.
dispersal order
1/dɪspˈɚsəl ˈɔɹdɚ/
fixed phrase
legal
official instruction to leave an area
an official order telling a crowd to leave
例文
- Police issued a dispersal order after bottles were thrown.
- A dispersal order was put in place around the station.
- Anyone who ignored the dispersal order risked arrest.
dispersal pattern
1/dɪspˈɚsəl pˈætɚn/
fixed phrase
technical
typical way something spreads
the usual way something spreads
例文
- The team mapped the dispersal pattern of the invasive plant.
- Weather conditions can change the dispersal pattern of smoke.
- Researchers compared dispersal patterns across different habitats.
dispersal rate
1/dɪspˈɚsəl ɹˈeɪt/
fixed phrase
technical
speed of spreading out
how fast something spreads
例文
- They calculated the dispersal rate of larvae in coastal waters.
- Lower wind speeds reduced the dispersal rate of dust.
- The model predicts a higher dispersal rate in summer.
dispersal zone
1/dɪspˈɚsəl zˈoʊn/
fixed phrase
legal
area where people must not gather
an area where police can tell people to leave
例文
- A dispersal zone was declared around the shopping centre.
- Officers patrolled the dispersal zone throughout the weekend.
- Residents were told what the dispersal zone rules meant.
forced dispersal
1/fˈɔɹst dɪspˈɚsəl/
fixed phrase
formal
people made to scatter or leave
when people are made to leave or scatter
例文
- Witnesses described the forced dispersal of the crowd.
- The report documented the forced dispersal of villages during the conflict.
- Leaders condemned the forced dispersal of peaceful demonstrators.
seed dispersal
1/sˈid dɪspˈɚsəl/
fixed phrase
technical
movement of seeds to new places
how seeds spread to new places
例文
- Dandelions rely on wind for seed dispersal.
- The researchers measured seed dispersal by birds.
- Flooding can cause long-distance seed dispersal.
strategic dispersal
1/stɹətˈid͡ʒɪk dɪspˈɚsəl/
fixed phrase
formal
planned spreading out for safety
spreading things out as part of a plan
例文
- The review recommended strategic dispersal of backup servers.
- Strategic dispersal of equipment helped the team respond faster.
- The commander ordered strategic dispersal before dawn.