smog
UK[smɒɡ]US[smɑːɡ]
n
A form of air pollution that is a mixture of smoke and fog, especially in cities.
Morpheme Breakdown
sm
(f)og
sm
oke
(f)og
Etymology
The word 'smog' is a quintessential example of a modern linguistic blend, coined in the early 20th century to describe a new environmental phenomenon. It was first recorded in 1905 in a paper by Dr. H.A. Des Voeux, combining 'smoke' and 'fog' to succinctly capture the oppressive, smoky fog prevalent in industrial cities like London. This creation follows a common pattern in English where two words are fused, with parts clipped and merged, to name a novel concept that shares properties of both source elements. The term's efficiency and descriptive power led to its rapid adoption into the global lexicon as industrialization and air pollution became widespread concerns.
Analysis
Structure: sm(oke) + (f)og
The word is a portmanteau, a blend of two English words: 'smoke' (from Old English smoca, meaning the visible vapor from burning) and 'fog' (of uncertain origin, perhaps from Old Norse, meaning a thick cloud of water droplets). The morphemes 'sm-' and '-og' are not independent roots but are clipped from the source words to form a new lexical unit.
Examples
The thick smog blanketing the city prompted a health warning.
Regulations on factory emissions have significantly reduced the smog problem.
On windless days, a brownish smog often hangs over the valley.