Impervious :: Impervious (a.) Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air..
Pervious :: Pervious (a.) Admitting passage; capable of being penetrated by another body or substance; permeable; as, a pervious soil..
Pervious :: Pervious (a.) Capable of being penetrated, or seen through, by physical or mental vision..
Pervious :: Pervious (a.) Capable of penetrating or pervading.
Pervious :: Pervious (a.) Open; -- used synonymously with perforate, as applied to the nostrils or birds..
Perviousness :: Perviousness (n.) The quality or state of being pervious; as, the perviousness of glass..
Sempervivum :: Sempervivum (n.) A genus of fleshy-leaved plants, of which the houseleek (Sempervivum tectorum) is the commonest species..
Supervise :: Supervise (v. t.) To oversee for direction; to superintend; to inspect with authority; as, to supervise the construction of a steam engine, or the printing of a book..
Supervise :: Supervise (v. t.) To look over so as to read; to peruse.
Supervisive :: Supervision (n.) The act of overseeing; inspection; superintendence; oversight.
Supervisor :: Supervisor (n.) One who supervises; an overseer; an inspector; a superintendent; as, a supervisor of schools..
Supervive :: Supervisory (a.) Of or pertaining to supervision; as, supervisory powers..