Definition of vog
: air pollution caused by volcanic emissions
Recent Examples of vog from the Web
The latest eruption at Kilauea has increased the amount of vog on the big island of Hawai’i.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vog'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of vog
volcanic + smog
First Known Use: 1987See Words from the same year
Seen and Heard
What made you want to look up vog? Please tell us where you read or heard it (including the quote, if possible).