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borosilicic acid

American  
[bawr-oh-si-lis-ik, bohr-, bawr-, bohr-] / ˈbɔr oʊ sɪˈlɪs ɪk, ˈboʊr-, ˌbɔr-, ˌboʊr- /

noun

Chemistry.
  1. any of several hypothetical acids that form borosilicates.


Etymology

Origin of borosilicic acid

boro- + silicic acid