Por"ta*tive (?), a. [Cf. F. portatif.] 1. Portable. [Obs.]
2. (Physics) Capable of holding up or carrying; as, the portative force
of a magnet, of atmospheric pressure, or of capillarity.
The Gutenberg Webster's Unabridged Dictionary: Section P and Q · 第 1154 / 2103 题