thunderhead
thunderhead — noun
- thunderheadsingular
- thunderheadsplural
1. a very large, dark cloud, typically with a rounded top, that forms before or dur
a very large, dark cloud, typically with a rounded top, that forms before or during a thunderstorm and brings thunder and lightning
Dario watched the massive thunderhead roll across the plains before the first rain fell.
The pilot steered the plane around the towering thunderhead that blocked the route.
steer around a thunderhead — aviation context
Lucía took a photo of the bright thunderhead as it caught the evening sunlight.
A single thunderhead appeared over the mountain, and soon thunder echoed through the valley.
Vikram knew a thunderhead meant heavy rain, so he shut the windows before it arrived.
- thundercloud
a broader term for any cloud that produces thunder; thunderhead specifically highlights the rounded, towering top
- cumulonimbus
the scientific meteorological name for the tall, vertical cloud that forms a thunderhead
文法句型
a thunderhead
thunderhead + verb (appears, forms, rolls)
用法筆記
Thunderhead emphasizes the large, rounded shape of the cloud as it rises upward, more than the general word 'thundercloud' does. It is common in weather reports, nature writing, and descriptive passages.