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Webster 1913 Edition

Noun.

[Pref.

im-

not + L.

meabilis

passable, fr.

meare

to pass.]

Lack of power to pass, or to permit passage; impassableness.

Immeability

of the juices.

Arbuthnot.

Noun.

[L. in and meo, to pass.] Want of power to pass.

The proper sense is, the quality of not being permeable, or not affording a passage through the pores. [Little used.]

immeability ‎(uncountable)

(obsolete) Inability to pass through or to permit passage.
- Arbuthnot
  From this phlegm proceed white cold tumours, viscidity, and consequently immeability of the juices.