Inglês

adhesion

gb/ædhˈiʒən/ us/ædhˈiʒən/
C1 Inglês
Aceções
0 aceções
Nome C1 property
1

sticking of one surface to another

how well something sticks to a surface

Padrão de uso: adhesion of [material/substance] to [surface]
Erro comum:
Don’t confuse adhesion (sticking to another surface) with cohesion (sticking to itself).
Sinónimos
stickiness (more informal; focuses on the feel or effect.) | bonding (often implies a stronger or more permanent join.) | attachment (general term; not limited to materials or surfaces.)
Antónimos
detachment (the state of not being attached or becoming separated.) | separation (the result of coming apart.)
Colocações
good adhesion |poor adhesion |strong adhesion |adhesion to the surface |adhesion to glass |paint adhesion |tape adhesion |adhesion strength |improve adhesion |adhesion problems
Temas
materials |daily_life |science
Exemplos
  • The label peeled off because the adhesion to the plastic was weak.
  • Clean the wall first to improve the paint’s adhesion.
  • This glue provides strong adhesion even on metal.
Exemplos para aprendentes
  • The tape has good adhesion.
  • Dust reduces adhesion.
Nome formal C1 state
2

loyal support for a cause

strong support for an idea or group

Padrão de uso: adhesion to [principles/plan/cause]
Erro comum:
In this meaning, adhesion is close to adherence; it usually takes to (adhesion to rules), not for (support for rules).
Sinónimos
adherence (more common for following rules or standards.) | allegiance (often to a leader, country, or group; stronger loyalty.) | commitment (emphasizes willingness to keep supporting over time.)
Antónimos
opposition (active disagreement or resistance.) | disloyalty (lack of loyalty to a group or leader.)
Colocações
adhesion to principles |adhesion to a cause |adhesion to a policy |win adhesion |secure adhesion |public adhesion |party adhesion |continued adhesion |adhesion to tradition |adhesion to the rules
Temas
politics |society |beliefs
Exemplos
  • Her adhesion to the party line made her unpopular with reformers.
  • The movement gained wider adhesion after the debate.
  • Their adhesion to strict safety rules is non-negotiable.
Exemplos para aprendentes
  • He showed adhesion to the plan.
  • Adhesion to the rules is important.
Nome technical C2 entity
3

scar tissue joining body parts

scar tissue that makes body parts stick together

Padrão de uso: [an] adhesion forms between [tissues/organs]
Erro comum:
In medicine, adhesions are inside the body; they are not the same as a skin rash or a bruise.
Sinónimos
scar band (a descriptive term; less standard in clinical writing.) | fibrous band (more technical; describes the tissue structure.)
Antónimos
normal separation (organs and tissues not abnormally stuck together.)
Colocações
postoperative adhesions |abdominal adhesions |pelvic adhesions |adhesion formation |break down adhesions |adhesions cause pain |adhesions after surgery |intestinal adhesions |scar adhesions |prevent adhesions
Temas
health |medicine
Exemplos
  • The surgeon warned that adhesions can form after abdominal surgery.
  • Scar adhesions may limit movement and cause discomfort.
  • Imaging suggested an adhesion was pulling on the intestine.
Exemplos para aprendentes
  • Adhesions can happen after surgery.
Nome technical C2 property
4

attraction between different substances

a scientific force that makes different materials stick

Padrão de uso: adhesion between [substance] and [substance]
Erro comum:
In science, adhesion is between different materials; cohesion is within the same material.
Sinónimos
interfacial attraction (more technical; highlights the boundary between materials.)
Antónimos
repulsion (a force or tendency to push apart rather than stick.)
Colocações
adhesion forces |surface adhesion |adhesion between water and glass |adhesion at the interface |adhesion energy |adhesion mechanism |measure adhesion |interfacial adhesion |enhance adhesion |adhesion and cohesion
Temas
science |physics |chemistry
Exemplos
  • Capillary action depends partly on adhesion between water and glass.
  • Researchers measured adhesion forces at the material interface.
Nome formal C2 action
5

formal joining or acceptance

official agreement to join something

Padrão de uso: adhesion to [treaty/agreement/convention]
Erro comum:
This is formal and often legal/diplomatic; in everyday speech people usually say join or sign.
Sinónimos
accession (standard term in treaties for formally joining.) | acceptance (broader; not always about joining an organization.)
Antónimos
withdrawal (formally leaving or no longer being bound.) | rejection (refusing to accept an agreement.)
Colocações
adhesion to the treaty |adhesion to the convention |instrument of adhesion |sign and adhesion |formal adhesion |state adhesion |adhesion process |adhesion clause |adhesion by declaration |announce adhesion
Temas
law |politics |international_relations
Exemplos
  • The country’s adhesion to the convention took effect in January.
  • Several states announced their adhesion to the agreement after the summit.
Gramática
Forma de dicionário
adhesion
IPA
GB/ædhˈiʒən/
US/ædhˈiʒən/
Sílabas e acento
ad - he - sion (3 sílabas)
Stress on 2nd syllable (he)
Formas da palavra
Noun
  • Base: adhesion
  • Plural: adhesion, adhesions
Família de palavras
Forms
adhesions noun
Core family
adhere verb C1 adhesive adjective B1
Related words
adherence noun C1 adherent noun
Negative and opposite forms
nonadhesive adjective
Expressões

adhesion contract

1
/ædhˈiʒən kˈɑntɹˌækt/
fixed phrase legal

take-it-or-leave-it contract

a contract you usually can’t negotiate

Exemplos
  • The judge considered whether the terms were unfair in an adhesion contract.
  • Many online service agreements function as adhesion contracts.

adhesion of [something] to [something]

1
/ædhˈiʒən əv sˈʌmθɪŋ tə sˈʌmθɪŋ/
fixed phrase

how well it sticks

how strongly one thing sticks to another

Exemplos
  • They tested the adhesion of the coating to aluminum.
  • Humidity can reduce the adhesion of tape to skin.
  • The primer improves adhesion of the sealant to concrete.

adhesion promoter

1
/ædhˈiʒən pɹəmˈoʊtɚ/
fixed phrase technical

chemical that improves bonding

a product that helps materials stick together

Exemplos
  • They applied an adhesion promoter before painting the plastic.
  • The sealant includes an adhesion promoter for difficult surfaces.

adhesion test

1
/ædhˈiʒən tˈɛst/
fixed phrase technical

test how well it sticks

a test to check if something sticks well

Exemplos
  • The lab ran an adhesion test on the new powder coating.
  • If the adhesion test fails, the surface may not have been cleaned properly.

adhesion to

1
/ædhˈiʒən tə/
fixed phrase formal

faithful following or support

strong support for, or careful following of, something

Exemplos
  • Adhesion to the new guidelines is required across the company.
  • Her adhesion to traditional methods frustrates younger colleagues.
  • The group demanded adhesion to its core principles.

loss of adhesion

1
/lˈɔs əv ædhˈiʒən/
fixed phrase technical

loss of grip or traction

when wheels lose grip and slip

Exemplos
  • Wet leaves on the track can cause loss of adhesion.
  • The warning system detects loss of adhesion and reduces power.
  • Drivers should slow down to avoid loss of adhesion on ice.

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