infiltration capacity
C1technical, scientific, military, business
Definition
Meaning
The maximum rate at which water can enter soil or porous material under given conditions.
The ability or extent to which something (people, ideas, substances) can penetrate or permeate a system, organization, or material.
Linguistics
Semantic Notes
Primarily a technical term in hydrology, soil science, and civil engineering. In extended use, carries connotations of gradual, often covert or unintended, entry into a system.
Dialectal Variation
British vs American Usage
Differences
Usage is identical across both variants; it is a standardized technical term.
Connotations
Neutral/scientific in core meaning. In extended contexts (e.g., business, security), can imply subversion or weakening of a system's integrity.
Frequency
Low frequency in general language; high frequency in relevant technical fields (hydrology, geotechnics, military science).
Vocabulary
Collocations
Grammar
Valency Patterns
The [material] has an infiltration capacity of [value].Infiltration capacity is affected by [factor].To determine/measure the infiltration capacity.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Refers to the ability of a competitor or new technology to enter and gain share in a market.
Academic
A precise parameter in hydrology, environmental science, and civil engineering papers.
Everyday
Virtually never used in casual conversation.
Technical
The key measured variable in rainfall-runoff modeling, irrigation design, and flood risk assessment.
Examples
By Part of Speech
verb
British English
- Engineers will need to infiltrate the substrate to test its capacity.
American English
- The team infiltrated the network to assess its security capacity.
adverb
British English
- Water moved infiltration-capacitively through the gravel layer.
American English
- The process occurred infiltration-capacitively, as predicted.
adjective
British English
- The infiltration-capacity data was crucial for the flood model.
American English
- They conducted an infiltration-capacity study on the local soils.
Examples
By CEFR Level
- Hard soil has a low infiltration capacity.
- The rain was heavy, so it exceeded the ground's infiltration capacity.
- Urbanisation often reduces the natural infiltration capacity of the land, increasing flood risk.
- The initial infiltration capacity of dry soil is much higher than when it becomes saturated.
- The hydrological model requires accurate calibration of the soil's infiltration capacity parameters.
- Market analysts warned of the high infiltration capacity of the innovative start-up into the traditional sector.
Learning
Memory Aids
Mnemonic
Think of a sponge (soil) and how fast it can soak up water (infiltrate) before water starts pooling on top (runoff). That maximum soaking speed is its 'capacity'.
Conceptual Metaphor
THE SYSTEM IS A CONTAINER; INFILTRATION IS FILLING FROM WITHIN / PENETRATION IS WEAKENING.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with "ёмкость инфильтрации" which is a direct but less common calque. The standard Russian equivalent is "скорость впитывания" or "инфильтрационная способность грунта".
Common Mistakes
- Using 'infiltration' alone to mean the rate or capacity (needs specification).
- Confusing with 'permeability' (a related but different property of the material itself).
- Using in non-technical contexts where 'penetration' or 'absorption' would be clearer.
Practice
Quiz
In a business context, 'infiltration capacity' is most likely to refer to:
FAQ
Frequently Asked Questions
No. Permeability is an intrinsic property of the porous material. Infiltration capacity is the actual rate water enters the soil surface, which depends on permeability but also on surface conditions, water content, and other factors.
It is not standard. While 'infiltration' is used in security, 'capacity' would not typically be added. Phrases like 'network penetration capability' or 'breach potential' are more idiomatic.
Commonly through field tests like double-ring infiltrometers or rainfall simulators, where water is applied and the rate of entry is measured over time until a constant rate (saturated infiltration capacity) is achieved.
It is critical for predicting flood risk, designing effective irrigation and drainage systems, managing groundwater recharge, and controlling pollution from surface runoff.