permeability
Letting things through
Permeability is the quality of allowing things to pass through.
A membrane's permeability determines what substances can cross it.
Soil permeability affects drainage.
The term appears in physics for magnetic properties and in geology for how easily fluids move through rock.
Figuratively, borders or boundaries may have varying permeability: The permeability of the frontier made smuggling easy.
Continuous change or flow
- diffusivitySpreading rate constant
- permeanceFlux passage capacity
- conductivityAbility to carry current
- transmittanceFraction not absorbed
passage · flow · seepage · leakage · migration · transfer · percolation · dispersion
Porous separation device
- sieveMesh filtering utensil
- membraneThin tissue sheet
- barrierObstruction preventing passage
- selectivityTendency to choose carefully
dialysis · desalination · purification · clarification · screening · sedimentation · strainer · separation
Minute dermal openings
- voidsEmptinesses or nullifies
- intersticesSmall intervening spaces
- membraneThin tissue sheet
- matrixOrdered numerical arrangement
tortuosity · connectivity · framework · structure · grain · texture · packing · skeleton
Unauthorized entry into space
- ingressAccess or entry right
- breachBreaking of agreement
- entryAccess or submission
- infiltrationCovert entry into organization
penetrant · perforation · puncture · incursion · infusion · invasion · pervasion · leaching
Strong atomic magnetic alignment
- paramagnetismWeak magnetic susceptibility phenomenon
- diamagnetismWeak repulsion from magnets
- remanenceResidual magnetization after demagnetizing
- magnetometerInstrument measuring field strength
Absorbent cleaning material
- soakSaturate with liquid
- saturateSoak to full capacity
- absorbentAble to soak up
- imbibeTo consume liquid
uptake · capillary · hygroscopic · adsorb · wicking · retention · saturation · moisture
Electric polarization capacity
- capacitanceElectrical charge storage measure
- insulationThermal transfer prevention
- polarizationSeparation into opposing extremes
- breakdownFailure or decomposition
flux
Continuous change or flow
- diffusivitySpreading rate constant
- permeanceFlux passage capacity
- conductivityAbility to carry current
transmittance · passage · flow · seepage · leakage · migration · transfer · percolation · dispersion · exchange
filter
Porous separation device
selectivity · dialysis · desalination · purification · clarification · screening · sedimentation · strainer · separation · osmosis
pores
Minute dermal openings
- voidsEmptinesses or nullifies
- intersticesSmall intervening spaces
- membraneThin tissue sheet
matrix · tortuosity · connectivity · framework · structure · grain · texture · packing · skeleton · fissures
intrusion
Unauthorized entry into space
infiltration · penetrant · perforation · puncture · incursion · infusion · invasion · pervasion · leaching · seeping
ferromagnetism
Strong atomic magnetic alignment
- paramagnetismWeak magnetic susceptibility phenomenon
- diamagnetismWeak repulsion from magnets
- remanenceResidual magnetization after demagnetizing
sponge
Absorbent cleaning material
imbibe · uptake · capillary · hygroscopic · adsorb · wicking · retention · saturation · moisture · hydration
permittivity
Electric polarization capacity
- capacitanceElectrical charge storage measure
- insulationThermal transfer prevention
- polarizationSeparation into opposing extremes
- epithelial biologybasement membrane, microvilli, cilia, mucus production, aquaporins
- soil sciencesoil, topsoil, subsoil, clay, sand
- diagenesiscementation, compaction, recrystallization, cement, concretion
- groundwater modelingtransmissivity, boundary conditions, finite element, drawdown, confined aquifer
- petroleumcrude oil, crude, petroleum, oil wells, oil fields
- propertiessize, shape, color, height, width
permeabilityimpermeability
Resistance to passage
imperviousness · waterproofness · airtightness · watertightness · resistance
permeabilityimperviousness
State of being impenetrable
impenetrability · impermeability · inaccessibility · resistance · closedness
permeabilitydensity
Mass-to-volume ratio
solidity · compactness · impermeability · closedness · tightness