thundercloud
thundercloud — noun
- thundercloudsingular
- thundercloudsplural
1. A dark, towering storm cloud that builds up electrical charge, causing lightning
A dark, towering storm cloud that builds up electrical charge, causing lightning flashes and loud thunder.
As the picnic began, Owen noticed a dark thundercloud forming over the western hills.
notice a thundercloud forming + location
The thundercloud grew so huge that Nkechi brought the laundry inside before the rain.
Adina took a picture of the towering thundercloud just before the rain fell.
A massive thundercloud drifted across the valley, blocking the late afternoon sun completely.
Rin could see bright flashes of lightning inside the thundercloud long before the storm arrived.
- storm cloud
more general — any dark cloud before a storm, not necessarily with lightning
- cumulonimbus
technical meteorological term for the cloud type that produces thunderstorms
- rain cloud
focuses on precipitation rather than electrical activity
文法句型
a thundercloud
thunderclouds