Pressure

Meaning
Continuous physical force exerted on or against an object by something in contact with it.
Pronunciation
UK ˈpreʃə(r)
US ˈpreʃər
Example Sentences
- The inversion boundary varies its altitude primarily in response to the weight of the air above it, which is measured in terms of atmospheric pressure.
- The marine layer, and any fogbank it may contain, will be "squashed" when the pressure is high, and conversely, may expand upwards when the pressure above it is lowering.
- Storms are created when a center of low pressure develops with the system of high pressure surrounding it.
- Small localized areas of low pressure can form from hot air rising off hot ground, resulting in smaller disturbances such as dust devils and whirlwinds.
- [There's] also a clear link between cat ownership and a lowered risk of strokes or heart problems, as a cat's purr lowers blood pressure.
- A submersible can carry researchers safely through extreme water pressure.
- The pressure in the deep ocean is extremely powerful and can crush metal submarines.
- Special underwater vehicles must withstand enormous pressure to reach the deepest points.
- Air pressure drops, and this is one of the most reliable signs that rough weather is near.
Learn Pressure in Context
What Makes the Deep Ocean Mysterious?The deep ocean covers more than half of Earth's surface, yet most of it remains completely unknown. Scientists have explored less than twenty percent of the ocean floor. The deeper you go, the darker...Read story
When Storms Begin at SeaThe sky turns a deep orange, and experienced sailors know something is coming. At sea, storms do not appear suddenly - they begin with quiet warnings. Warm air and cold air meet over the ocean, and th...Read story
How Exams Shape Student ChoicesEvery year, millions of students make life-changing decisions based on exam results. These results can shape which subjects students study, which universities they attend, and which careers they choos...Read story
How Scientists Explore Deep WaterThe deepest part of the ocean is deeper than the tallest mountain on Earth is tall. Scientists have always wanted to explore these mysterious underwater worlds. They use special machines called submer...Read story
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Practice Pressure
Read, listen, and practise using “Pressure” in fun stories and activities.