| 释义 |
pedetic, a.|pɪˈdɛtɪk|
[ad. Gr. πηδητικ-ός, f. πηδητής leaper: cf. pedesis.]
Of or pertaining to pedesis. pedetic movement = Brownian movement.
1878Jevons in Q. Jrnl. Sc. Apr. 171 The pedetic movement cannot be better seen than by taking a drop of old common ink which has been exposed to the air for some weeks, and examining it under thin glass with a magnifying power of 500 or 1000 diameters. 1892Nature XLV. 429/2 The pedetic or Brownian motion of small particles. |