| 释义 |
botryoidal, a.|bɒtrɪˈɔɪdəl|
= prec.
1816Cleaveland Min. 544 Earthy arseniate of cobalt..occurs in crusts, which are sometimes reniform or botryoidal. 1841J. Trimmer Pract. Geol. 74 Minerals presenting an aggregation of large sections of small globes are called botryoidal. |