Persian gum

短语

词形变化

Persian gums 复数 Persian gums

释义与例句

n.
  1. 1.

    Synonym of sarcocolla, the gum resin of the milkvetches Astragalus sarcocolla and/or A. fasciculifolius.

    不可数 可数

    One contemporary description of Greek fire gives its formula as follows: "Take quick sulphur, dregs of wine, Persian gum, baked salt, pitch, petroleum, and common oil. Boil these together. Then whatever is placed therein and lighted, whether wood or iron, cannot be extinguished except with vinegar or sand."

  2. 2.

    The gum resin of the wild almonds Prunus scoparia and/or P. lycioides.

    不可数 可数

    The author attempted to name it Persian gum, representing its origin the Persia or Iran, as the competitor of the very well-known "gum Arabic", the exudate of acacia trees...

  3. 3.

    Any of the plants producing such resins.

    可数 不可数

词源

From their origin in Iran. In reference to P. scoparia, specifically after the model of gum arabic.

来源：wiktionary