| 释义 |
galenoid, a. and n.|gəˈliːnɔɪd|
[f. galena + -oid.]
A. adj. Resembling galena.
1884Athenæum 26 Apr. 541/1 Depositing..a lustrous galenoid coating by the decomposition of an alkaline solution of lead tartrate with sulphur urea.
B. n. Cryst. (See quot.)[The form occurs most freq. in galena, whence the name.] 1882A. H. Green Phys. Geol. ii. (ed. 3) 45 The complete form is bounded by 3 x 8 = 24 equal and similar isosceles triangles; it is called..the Trigonal Trisoctahedron, or the Galenoid. |