terra alba

短语

[医] 白土(通常指白陶土,有时指石膏、枯矾、氧化镁、硫酸钡)

释义与例句

n.
  1. 1.

    A white earthy substance consisting of burnt gypsum and aluminium silicate (kaolin), or some similar ingredient, such as magnesia. It is sometimes used to adulterate certain foods, spices, candies, paints, etc.

    不可数

词汇关系

名词

同义词 4

China clay kaolin kaoline pipeclay

上位词 2

clay gypsum

词源

Borrowed from Latin terra (“earth”) + alba (“white”), literally meaning "white earth". Ultimately from Proto-Indo-European *ters-.

来源：wiktionary