DictionaryRoot: -io
Latin
-io
an action, process, or result
Forms
- -io
- -ion- — The longer form used before Latin endings.
- -ion — The form carried into many English nouns.
Origin
An old Latin noun ending, inherited from earlier Indo-European word formation.
Note
The ending can name both an activity and what that activity produces.
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noun
erosion
ih-ROH-zhun/ɪˈrəʊʒn/
Gradual wearing away of material.
Etymology
Erosion names the process of “gnawing away.” That image connects eating away with gradual wearing away: material is consumed or removed rather than lost all at once.
Related word entries
- abduction
- ablation
- ablution
- abrasion
- absolution
- abstractionGeneral idea
- abstractionAbsent-mindedness
- acquisition
- actionDoing something
- actionLegal proceedings
- actionMechanical operation
- addiction
- addition
- adhesion
- admissionEntry or acceptance
- admissionAcknowledgment
- admonition
- adoption
- affectation
- affection
- affliction
- aggression
- agitation
- alienation
- allusion
- alternation
- ambition
- appropriation
- ascension
- aspersionRitual sprinkling
- aspersionDamaging remark
- assertion
- assumptionTaking on a role
- assumptionUnproven belief
- AssumptionFeast honoring Mary
- attention
- attraction
- attribution
- auction
- aversion
- benediction
- calculation
- caption
- caution
- celebration
- circumspection
- coercion
- cognition
- cohesion
- collationOrdered arrangement
- collationComparison for differences
- collection
- collision
- collusion
- combustion
- commissionOfficial body
- commissionCommitting an act
- commotion
- communication
- communionClose fellowship
- communionChristian sacrament
- compassion
- competition
- complexion
- composition
- compression
- compulsion
- compunction
- conceptionBeginning of pregnancy
- conceptionFormation of an idea
- concession
- conclusion
- concoction
- concussion
- condescension
- condition
- conduction
- confection
- confession
- confessional
- confusion
- congestion
- conjunction
- connection
- conscription
- consecration
- constitution
- constriction
- construction
- consumption
- contagion
- contention
- contortion
- contraction
- contradiction
- contravention
- contribution
- contrition
- contusion
- convection
- convention
- conventionalAccepted practice
- conventionalFormal agreement
- conversionChange of form or state
- conversionUnlawful control of property
- convictionFinding of guilt
- convictionFirm belief
- convulsion
- correction
- corrosion
- corruption
- creation
- crucifixion
- deception
- decimation
- decision
- decoration
- deduction
- defection
- definition
- deflection
- deletion
- delusion
- dentition
- depiction
- depletion
- depositionPlacing or settling
- depositionSworn testimony
- depositionRemoval from power
- depressionLow spirits
- depressionSunken area
- dereliction
- derision
- descriptionAccount of features
- descriptionType or kind
- desertion
- desiccation
- destitution
- destruction
- detection
- detention
- devotion
- dictationAuthoritative direction
- dictationSpoken words written down
- diction
- diffraction
- diffusion
- digestion
- digression
- dimension
- diminution
- direction
- discretionTact and confidentiality
- discretionFreedom to decide
- discussion
- dispersion
- disposition
- disruption
- dissection
- dissension
- dissolution
- distention
- distinction
- distortion
- distraction
- distribution
- diversion
- division
- education
- effusion
- ejection
- elation
- emission
- emulsion
- erosion
- eruption
- evasion
- eviction
- evolution
- exaction
- exception
- exclusion
- excommunication
- excursion
- execution
- exemption
- exhibition
- expansion
- explosion
- exposition
- expressionConveying thoughts or feelings
- expressionGenetic manifestation
- expulsion
- extensionAddition
- extensionJoint straightening
- extinction
- extortion
- extraction
- fabrication
- faction
- fiction
- fission
- fluctuation
- fraction
- functionPurpose and operation
- functionSocial occasion
- functionMathematical mapping
- fusion
- hallucination
- hesitation
- humiliation
- ignition
- illusion
- immersion
- imperfection
- impression
- incursion
- indigestion
- inductionReasoning from specific cases
- inductionFormal introduction to a role or group
- infarction
- infection
- inflection
- infliction
- infusion
- ingestion
- inhibition
- injection
- injunction
- inquisitionHarsh questioning
- inquisitionChurch tribunals
- inscription
- insertion
- inspection
- institution
- instruction
- insurrection
- intention
- interception
- intercession
- interdictionOfficial prohibition
- interdictionInterception
- intermission
- interruption
- intersection
- intervention
- introduction
- introspection
- intrusion
- intuition
- invasion
- invention
- inversion
- junction
- lactation
- lesion
- liquefaction
- liquidation
- location
- locomotion
- lotion
- mansion
- mediation
- mission
- modulation
- motionMovement
- motionFormal proposal
- narration
- nationCountry
- nationShared peoplehood
- nomination
- objection
- obligation
- obsession
- obstruction
- occlusion
- omission
- operationPlanned mission
- operationFunctioning
- operationMathematical process
- operationSurgery
- opinion
- oppositionResistance
- oppositionAstronomical alignment
- oppression
- option
- partition
- passionSuffering and death of Jesus
- passionIntense emotion
- penetration
- pension
- perception
- percussionMedical tapping
- percussionImpact ignition
- percussionMusical sound
- perdition
- perfectionLegal completion
- perfectionFlawlessness
- perfusion
- permission
- perpetuation
- persecution
- persuasionBelief
- persuasionConvincing
- perversion
- petition
- positionLocation
- positionJob or role
- possession
- potion
- precognition
- predation
- prediction
- predilection
- prescription
- presumptionArrogant boldness
- presumptionAssumption
- prevention
- procession
- procreation
- production
- professionOpen declaration
- professionSpecialized occupation
- profusion
- progression
- prohibition
- promotion
- propulsion
- prostration
- protection
- protectionist
- protraction
- putrefaction
- question
- radiation
- reactionary
- rebellion
- reception
- recession
- recognition
- recollection
- recreation
- reduction
- reflection
- refraction
- regressionStatistical modeling
- regressionReturn to an earlier state
- regurgitation
- rejection
- relationconnection
- relationrecounting events
- remission
- repetition
- repletion
- repression
- repulsion
- requisition
- rescission
- resection
- restitution
- restriction
- retention
- retraction
- retribution
- retrogression
- reversion
- revision
- revolutionPolitical overthrow
- revolutionComplete turn
- rotation
- saturation
- scansion
- secession
- seclusion
- secretion
- section
- sedation
- seduction
- selection
- session
- simulation
- situation
- solutionAnswer to a problem
- solutionDissolved mixture
- subjection
- submersion
- submissionYielding to control
- submissionItem presented for consideration
- subscriptionPledged financial support
- subscriptionRegular access or supply
- substitution
- subtraction
- subversion
- succession
- suction
- suggestionProposed idea
- suggestionSlight indication
- supervision
- supposition
- suppression
- suspension
- suspicionSlight trace
- suspicionUnproven belief
- tension
- torsionPhysical twisting
- torsionFinite order in algebra
- traction
- tradition
- transaction
- transcription
- transfusion
- transgression
- transition
- translation
- transmission
- transposition
- tuitionTeaching
- tuitionEducation fees
- urination
- vegetationPlant life
- vegetationAbnormal tissue growth
- version
- vision