a.
In promorphology, pertaining to or exhibiting that kind of organic form, in which the stereometric ground form is a pyramid, with similar poles. See Promorphology.
Next Wordn.
The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch. →
n. pl.
The name which St. Francis of Assisi gave to his followers, early in the 13th century. →
n.
An instrument for measuring the forms and angles of salts and crystals; a goniometer. →
a.
To become fade; to grow weak; to lose strength; to decay; to perish gradually; to wither, as a plant. →