硬石膏

yìngshígāo
anhydrite CaSO4

CEDICT

  1. (minerals) anhydrite
  2. anhydrite

Wiktionary

一種成分為硫酸鈣的礦物。在天然狀況下呈粒狀碎塊，外觀似大理石。硬度較石膏為高，不含水分。

重編國語辭典

Entry Composition

1 硬 yìng
  1. hard; stiff; solid
  2. (fig.) strong; firm
  3. resolutely; uncompromisingly
  4. laboriously; with great difficulty
  5. good (quality); able (person)
  6. (of food) filling; substantial
2 石膏 shígāo
  1. gypsum CaSO4·2(H2O)
  2. plaster
  3. plaster cast (for a broken bone)