from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Either of two isomeric univalent radicals formally derived from naphthalene by removal of a hydrogen atom

from the GNU version of the Collaborative International Dictionary of English

  • n. A hydrocarbon radical regarded as the essential residue of naphthalene.

from The Century Dictionary and Cyclopedia

  • n. A univalent organic radical derived from naphthalene by the removal of one hydrogen atom. Its formula is C10H7-.


Sorry, no etymologies found.


  • Getting out the medicine droppers, she began deftly dripping naphthyl acid phosphate over the filter paper.


  • She was dripping naphthyl acid phosphate on small circles of white filter paper.


  • Working in clusters, she first dripped naphthyl acid phosphate, and then added drops of fast-blue B salt, which caused the smear to pop up purple in a matter of seconds if seminal fluid was present.


  • Tissue was analyzed for cytokines and markers of neutrophil and monocyte infiltration by measuring myeloperoxidase (MPO) and alpha-naphthyl acetate esterase

    BioMed Central - Latest articles

  • Briefly, 50 µL organ homogenates were incubated with an equal volume of the Griess reagent (1% sulfanilamide, 0. 1% naphthyl ethylenediamine dihydrochloride, 2. 5%

    PLoS ONE Alerts: New Articles


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