Definition of naphthalene
: a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis
Recent Examples of naphthalene from the Web
People who stood over melting bitumen would have breathed in the same concentration of naphthalene that’s produced by about 1.5 cigarettes.
The air samples, however, revealed that the bitumen-melting process produced unhealthy concentrations of PAHs, such as naphthalene.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'naphthalene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of naphthalene
alteration of earlier naphthaline, irregular from naphtha
First Known Use: 1821See Words from the same year
Medical Definition of naphthalene
: a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis and formerly as a topical and intestinal antiseptic
Seen and Heard
What made you want to look up naphthalene? Please tell us where you read or heard it (including the quote, if possible).