| 释义 |
colloidal, a.|kəˈlɔɪdəl|
[f. prec. + -al1.]
1. Chem. Of, pertaining to, or of the nature of a colloid; in the condition constituting a colloid.
1861T. Graham in Phil. Trans. (1862) 183 It is proposed to designate substances of this class as colloids, and to speak of their peculiar form of aggregation as the colloidal condition of matter. Ibid. 184 The colloidal is, in fact, a dynamical state of matter: the crystalloidal being the statical condition. 1876B. W. Richardson in Gd. Words 788 The muscle-forming food, called sometimes.. because it assumes in the organism the colloidal or jelly-like state, colloidal food.
2. Min. = colloid a. 3.
1864H. Spencer Biol. I. 16 The mineral forms of silicic acid..are often found to have passed..from the vitreous or colloidal into the crystalline condition. 1885Geikie Geol. ii. ii. ii. 62 Chalcedony, doubtless originally colloidal silica.
Hence colloiˈdality, the colloidal state.
1861T. Graham in Phil. Trans. (1862) 221 Whether the basis of colloidality may not really be this composite character of the molecule. |