Look up: naphthoquinone

1. Naphthoquinone
   Naph`tho·qui'none noun [ Naphth alene + quinone .] (Chemistry) A yellow crystalline substance, C ₁₀ H ₆ O ₂ , analogous to quinone, obtained by oxidizing naphthalene with chromic acid.
   Found on http://www.encyclo.co.uk/webster/N/3
   
   
2. naphthoquinone
   <chemistry> A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid. ... Origin: Naphthalene + quinone. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
3. Naphthoquinone
   • (n.) A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid. • (n.) A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid.
   Found on http://thinkexist.com/dictionary/meaning
   
   
4. naphthoquinone
   (from the article `coloration`) Naphthoquinones are encountered in some bacteria and in the leaves, seeds, and woody parts of higher plants. They can be recovered as yellow, orange, ...
   Found on http://www.britannica.com/eb/a-z/n/7
   
   
5. naphthoquinone
   Type: Term Pronunciation: naf′thō-kwin′ōn Definitions: 1. A quinone derivative of naphthalene, reducible to naphthohydroquinone; 1,4-naphthoquinone derivatives have vitamin K activity (menaquinone). 2. A class of compounds containing the naphthoquinone (1) structure.
   Found on http://www.medilexicon.com/medicaldictio
   
   
6. Naphthoquinone
   `Naphthoquinone` is a class of natural phenols based on the C6-C4 skeleton. 1,4-Naphthoquinone can be viewed as derivatives of naphthalene through the replacement of two hydrogen atoms by two ketone groups. The name is also used generically for two other isomers: Naturally occurring naphtoquinones P...
   Found on http://en.wikipedia.org/wiki/Naphthoquin