adhesion
gb/ædhˈiʒən/ us/ædhˈiʒən/
C1
Anglais
Sens
0 sens
Nom
C1
property
1
sticking of one surface to another
how well something sticks to a surface
Schéma d’usage :
adhesion of [material/substance] to [surface]
Erreur fréquente :
Don’t confuse adhesion (sticking to another surface) with cohesion (sticking to itself).
Synonymes
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.)
Antonymes
detachment (the state of not being attached or becoming separated.)
|
separation (the result of coming apart.)
Collocations
good adhesion
|poor adhesion
|strong adhesion
|adhesion to the surface
|adhesion to glass
|paint adhesion
|tape adhesion
|adhesion strength
|improve adhesion
|adhesion problems
Thèmes
materials
|daily_life
|science
Exemples
- 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.
Exemples pédagogiques
- The tape has good adhesion.
- Dust reduces adhesion.
Nom
formal
C1
state
2
loyal support for a cause
strong support for an idea or group
Schéma d’usage :
adhesion to [principles/plan/cause]
Erreur fréquente :
In this meaning, adhesion is close to adherence; it usually takes to (adhesion to rules), not for (support for rules).
Synonymes
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.)
Antonymes
opposition (active disagreement or resistance.)
|
disloyalty (lack of loyalty to a group or leader.)
Collocations
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
Thèmes
politics
|society
|beliefs
Exemples
- 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.
Exemples pédagogiques
- He showed adhesion to the plan.
- Adhesion to the rules is important.
Nom
technical
C2
entity
3
scar tissue joining body parts
scar tissue that makes body parts stick together
Schéma d’usage :
[an] adhesion forms between [tissues/organs]
Erreur fréquente :
In medicine, adhesions are inside the body; they are not the same as a skin rash or a bruise.
Synonymes
scar band (a descriptive term; less standard in clinical writing.)
|
fibrous band (more technical; describes the tissue structure.)
Antonymes
normal separation (organs and tissues not abnormally stuck together.)
Collocations
postoperative adhesions
|abdominal adhesions
|pelvic adhesions
|adhesion formation
|break down adhesions
|adhesions cause pain
|adhesions after surgery
|intestinal adhesions
|scar adhesions
|prevent adhesions
Thèmes
health
|medicine
Exemples
- 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.
Exemples pédagogiques
- Adhesions can happen after surgery.
Nom
technical
C2
property
4
attraction between different substances
a scientific force that makes different materials stick
Schéma d’usage :
adhesion between [substance] and [substance]
Erreur fréquente :
In science, adhesion is between different materials; cohesion is within the same material.
Synonymes
interfacial attraction (more technical; highlights the boundary between materials.)
Antonymes
repulsion (a force or tendency to push apart rather than stick.)
Collocations
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
Thèmes
science
|physics
|chemistry
Exemples
- Capillary action depends partly on adhesion between water and glass.
- Researchers measured adhesion forces at the material interface.
Nom
formal
C2
action
5
formal joining or acceptance
official agreement to join something
Schéma d’usage :
adhesion to [treaty/agreement/convention]
Erreur fréquente :
This is formal and often legal/diplomatic; in everyday speech people usually say join or sign.
Synonymes
accession (standard term in treaties for formally joining.)
|
acceptance (broader; not always about joining an organization.)
Antonymes
withdrawal (formally leaving or no longer being bound.)
|
rejection (refusing to accept an agreement.)
Collocations
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
Thèmes
law
|politics
|international_relations
Exemples
- The country’s adhesion to the convention took effect in January.
- Several states announced their adhesion to the agreement after the summit.
Grammaire
Forme canonique
adhesion
API
GB/ædhˈiʒən/
US/ædhˈiʒən/
Syllabes et accentuation
ad - he - sion (3 syllabes)
Stress on 2nd syllable (he)
Formes du mot
Noun
- Base: adhesion
- Plural: adhesion, adhesions
Famille de mots
Expressions
adhesion contract
1/ædhˈiʒən kˈɑntɹˌækt/
fixed phrase
legal
take-it-or-leave-it contract
a contract you usually can’t negotiate
Exemples
- 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
Exemples
- 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
Exemples
- 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
Exemples
- 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
Exemples
- 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
Exemples
- 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.