Main Entry: naph·thol

Pronunciation: \ˈnaf-ˌthȯl, ÷ˈnap-, -ˌthōl\

Function: noun

Etymology: International Scientific Vocabulary

Date: 1849

1 : either of two isomeric derivatives C₁₀H₈O of naphthalene used as antiseptics and in the manufacture of dyes
2 : any of various hydroxy derivatives of naphthalene that resemble the simpler phenols