| 单词 | scoria |
| 释义 | Word Frequency scoria(ˈskɔːrɪə) nounWord forms: plural -riae (-rɪˌiː) 1. a rough cindery crust on top of solidified lava flows containing numerous vesicles 2. refuse obtained from smelted ore; slag Derived forms scoriaceous (ˌskɔːrɪˈeɪʃəs), scoriac (ˈskɔːrɪæk) or scorious (ˈskɔːrɪəs) adjective Word origin C17: from Latin: dross, from Greek skōria, from skōr excrement |
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