Definition of water glass in English:

water glass

Syllabification: wa·ter glass

noun

1A solution of sodium or potassium silicate. It solidifies on exposure to air and is used to make silica gel and for preserving eggs and hardening artificial stone.
More example sentences
  • As the pH of water glass is lowered, colloidal particles of amorphous silica are formed.
2An instrument for making observations beneath the surface of water, consisting of a bucket with a glass bottom.

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Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude