dust-tight en · ADJ
Meanings
-
Impervious to dust, not allowing dust to penetrate.
The electro-pneumatic contactor equipment is arranged in four groups, each contained in a removable dust-tight steel box suspended from the underframe.
1956 December 14, “New Electric Trains for Mersey Lines”, in Railway Magazine, page 852:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| more dust-tight | Degree=Cmp | lexicographic | |
| most dust-tight | Degree=Sup | lexicographic |