碳酸钙

碳酸鈣
tànsuāngài
noun #35,641

Meanings

  1. 1 calcium carbonate (CaCO₃)

Examples

Shíhuīshí de zhǔyào chéngfèn shì tànsuāngài.
The main component of limestone is calcium carbonate.
Zhè zhǒng gàipiàn de huóxìng chéngfèn shì tànsuāngài.
The active ingredient of this calcium tablet is calcium carbonate.

Tips

memory
Decompose: 'carbon' + 'acid' + 'calcium' = 'carbonic-acid calcium' = calcium carbonate. Chinese chemistry nomenclature is productively compositional — once you know 碳酸 (carbonic acid) and (calcium), the whole name decodes itself.

Stroke Order

tàn
suān
gài