chalkiness       
noun [ U ] uk/ˈtʃɔː.ki.nəs/ us/ˈtʃɑː.ki.nəs/
 白垩,白垩质
the quality or appearance of chalk (= soft white rock)
  Chalk soils lend a touch of chalkiness to a wine. 白垩土给葡萄酒增添了一丝白垩的味道。 
 The rice is cooked when it is tender and has lost all chalkiness. 当米变软而且看不到垩白时,就说明煮熟了。 
 See: chalk
 - More examples
- Greek yogurt is thick, dense, and strained of whey, in some cases, almost to chalkiness.
- There was a chalkiness about his lips and his eyelids.
- There is an underlying chalkiness to the surface of these pictures.