Dictionary > Permeability


(1) The property or state of being permeable (as by osmosis or diffusion).
(2) The property of a porous material to permit a liquid or gas to pass through.
(3) (geology) The ability of a rock, soil or sediment to transmit water.
(4) (physics) Magnetic permeability.
Word origin: LL permeābilis, equiv. to permeā(re) to permeate.

Related forms: permeable (adjective).
Related terms:

You will also like...

Buttress roots

This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

An artist's depiction of the origin of amphibians
Amphibians & Early Reptiles

Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

Chromosomes X and Y and Sex Determination
Chromosomes X and Y and Sex Determination

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..


Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

Genetic Mutations
Chromosome Mutations – II

This tutorial is a continuation of the first lesson on chromosomal mutation. Here, find out the chromosomal aberrations ..

Cambial cells
Plant Tissues

Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..