hydrous

IPA/ˈhaɪ.drəs/
KK[hˈaɪdrəs]IPA/ˈhaɪ.drəs/

hydrous — 形容詞

  • hydrouspositive
  • more hydrouscomparative
  • most hydroussuperlative

1. describes a substance whose molecules include water that is chemically attached

1.形容詞C1
釋義

含水的

含有化學結合水的

describes a substance whose molecules include water that is chemically attached to them — not just water on the surface, but water locked inside the crystal or molecular structure, such as in certain minerals or compounds

例句

Keiko heated the blue hydrous copper sulfate crystals until they turned white and powdery.

Keiko 加熱藍色的含水硫酸銅晶體,直到它們變成白色粉末。

hydrous + copper sulfate — a common school chemistry example

Gypsum is a soft hydrous mineral that forms when seawater evaporates in hot climates.

石膏是一種柔軟的含水礦物,形成於炎熱氣候下海水蒸發的過程。

common hydrous mineral: gypsum

同義詞
  • hydrated

    more common in everyday chemistry; 'hydrated' also describes water added to a compound, while 'hydrous' is mostly used in geology and mineralogy

反義詞
  • anhydrous

    the direct opposite — describes a substance that contains no chemically bonded water, e.g. anhydrous ammonia

文法句型

hydrous + noun

用法筆記

Primarily a technical term in chemistry, geology, and materials science. The opposite is 'anhydrous', which describes a substance with no chemically combined water. Do not confuse with 'wet' or 'moist', which describe surface water only.

常見錯誤

The towel is hydrous after washing it.
The towel is wet after washing it.
💡'hydrous' means water is chemically bonded, not just on the surface.
Hydrous cement is mixed with water to build walls.
Hydrous minerals contain water in their crystal structure.
💡It is not a synonym for 'mixed with water' or 'wet'.