Definition of naphthol in English:

Share this entry

naphthol

Pronunciation: /ˈnapˌTHôl/ /ˈnapˌTHäl/
/ˈnafˌTHôl/ /ˈnafˌTHäl/

noun

Chemistry
A crystalline solid derived from naphthalene, used to make antiseptics and dyes.
  • Chemical formula: C10H7OH; two isomers, especially naphthalen-2-ol (β-naphthol).
Example sentences
  • Some of the dyes to which chromophores give a vibrant color are naphthol yellow, vat blue, congo red, and methylene blue.
  • Finally, it is mixed with naphthol to produce carbaryl.
  • Certain molecules such as 1 - naphthol, its derivatives, and carbazole show remarkable enhancement in their acidity in the excited singlet state.

For editors and proofreaders

Syllabification: naph·thol

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.