English · Nature & Environment
fog
/fɒɡ/
[/fɒɡ/]
thick low cloud
Beginnernoun
Definition
A thick cloud of tiny water droplets near the ground that makes it hard to see.
Example
Dense fog rolled in from the sea, swallowing the harbour lights one by one.
Dense fog rolled in from the sea, swallowing the harbour lights one by one.
Etymology
Of uncertain origin, perhaps from a Scandinavian word for grass.
How & Where It’s Used
Thicker than mist; reduces visibility for drivers and ships.