subsulfate

or sub·sul·phate

[ suhb-suhl-feyt ]
/ sʌbˈsʌl feɪt /

noun Chemistry.

a basic salt of sulfuric acid.

Origin of subsulfate

First recorded in 1795–1805; sub- + sulfate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019