- A kind of melon(Cucumis melo) having a smooth, whitish rind and green flesh. Also called winter melon 香蜜瓜：一种瓜（甜瓜 甜瓜属） ，有光滑的白色外皮和绿色瓜肉 也作 winter melon
- calcitonins
- calcium
- calcium carbide
- calcium carbonate
- calcium chloride
- calcium cyanamid
- calcium cyanamide
- calcium cyanide
- calcium cyclamate
- South Saint Paul
- South Sandwich Islands
- South San Francisco
- South Saskatchewan River
- South Sea Islands
- South Seas
- South Seattle Community College
- South Shetland Islands
- South Shields
- Southside Virginia College
- South Slavic
- south-southeast
- south-southwest
- South Suburban College
- South Temperate Zone
- South Vietnam