See Also: toluidine(dictionary)
toluidine(medicine)
dian(dictionary)
Fossey, Dian(encyclopedia)
Dian (as used in expressions)(encyclopedia)
Dian, Lake(encyclopedia)
Toluidine blue O(medicine)
toluidine blue(medicine)
Fossey, Dian(dictionary)
alkaline toluidine blue O(medicine)

Dian, Lake (sh) and toluidine (medicine)


Dian, Lake (sh)




Chinese Dian Chi or Tien Ch'ih

Lake, central Yunnan province, southern China.

It is about 25 mi (40 km) long and 8 mi (13 km) wide. The area was settled by sedentary agricultural peoples as early as the 2nd century BC. It was the centre of the independent state of Dian (Tien), which became tributary to the Han dynasty after 109 BC.


toluidine (medicine)


toluidine
<chemistry> Any one of three metameric amido Derivatives of toluene analogous to aniline, and called respectively orthtoluidine, metatoluidine, and paratoluidine; especially, the commonest one, or paratoluidine, which is obtained as a white crystalline substance.

It is used in the aniline dye industry, and constitutes the essential nucleus or radical of those dyes.

Source: Websters Dictionary