Xin·gu 
(shēng-g)
(shēng-g) A river of central and northern Brazil rising in several streams and flowing about 1,980 km (1,230 mi) generally northward to the Amazon River at the head of the Amazon delta.
- calcitriol
- calcium
- calcium carbide
- calcium carbonate
- calcium channel blocker
- calcium chloride
- calcium cyanamide
- calcium cyanide
- calcium cyclamate
- calcium fluoride
- calcium hydroxide
- calcium hypochlorite
- calcium light
- calcium nitrate
- calcium oxide
- calcium phosphate
- calcspar
- calc-spar
- calc-tufa
- calc-tuff
- calculability
- calculable
- calculate
- calculated
- calculatedly