quicklime

/ˈkwɪkˌlaɪm/

Definitions

1. noun

a highly caustic white powder (calcium oxide) obtained by heating limestone, used as a flux in smelting iron ore, for whitening or bleaching, and in medicine as an antacid.

“The ancient Romans used quicklime to build their structures and fortifications.”

2. verb

to treat or apply quicklime to (a surface) as a preservative or disinfectant.

“The walls were quicklime-treated to prevent the spread of disease in the area.”

Synonyms

  • calcium oxide
  • slaked lime

Antonyms

  • marble
  • slate