unpermeable en · ADJ
Etymology
From un- + permeable.
Meanings
-
impermeable
The Vorce cell is of the permeable class and the Hargreaves-Bird of the unpermeable.
1931, West Virginia Academy of Science, Proceedings, volumes 5-8, page 90:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| most unpermeable | Degree=Sup | lexicographic | |
| more unpermeable | Degree=Cmp | lexicographic |