boric acid

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a white or colorless slightly acid solid that is soluble in water and ethanol;
used in the manufacture of glass and paper and adhesives and in detergents and as a flux in welding;
also used as an antiseptic and food preservative
• Syn:
orthoboric acid
• Hypernyms:
acid
2. any of various acids containing boron and oxygen
• Syn:
boracic acid
• Hypernyms:
acid
• Hyponyms:
perboric acid