obsidians

📖 中文释义

  1. (obsidian 的复数) n. 黑曜石

🧩 词形变化

原形 obsidian
📘 English Definition(英文释义)
  1. plural of obsidian
  2. n. acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces