alpha-naphthol[ălˌfə-năfˈthôl, -thōl, -năpˈ-]
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An isomeric form of naphthol, C10H7OH, occurring as colorless or yellow prisms or powder, used in making dyes and perfumes and in organic synthesis.