liú​suān

sulfate

硫酸 liú​suān
sulfate noun
a salt or ester of sulfuric acid containing the sulfate ion (SO4 2-)

The main component of this fertilizer is ammonium sulfate.

sulfuric acid noun
a strong, colorless, and corrosive mineral acid with the molecular formula H2SO4

Concentrated sulfuric acid is highly corrosive.

Frequency

Movie subtitles
1.67 per million appears in 1% of films
Written text
6.32 per million

Sources

Definitions
CC-CEDICT