elephant's toothpaste

短语

别名

elephant toothpaste

释义与例句

n.
  1. 1.

    A foamy substance caused by the rapid decomposition of hydrogen peroxide using potassium iodide as a catalyst; the outcome of a popular educational experiment in chemistry.

    不可数

词源

The foamy texture and size of the resulting mass suggest a large amount of toothpaste, as might be imagined to be used by a large creature like an elephant.

来源：wiktionary