depression

B2 · Upper Intermediate Countable noun Economics

n. a long and difficult time when a country has very little business activity and many people are unemployed.

n. a sustained, long-term downturn in economic activity in one or more economies.

日本語:不況※

“The country fell into a deep depression after the stock market crashed.”

“Economists still debate whether the aggressive fiscal policies of the 1930s were sufficient to end the Great Depression.”

B2 · Upper Intermediate Countable noun Science

n. a part of a surface that is lower than the area around it.

n. a sunken area or hollow on a surface, often referring to topography or physical objects.

日本語:凹み※

“Rainwater collected in a small depression in the middle of the driveway.”

“The geologist identified a shallow depression in the valley floor that suggested the presence of an ancient lake bed.”

C1 · Advanced Countable noun Science Technical

n. an area of low air pressure that often brings rain or clouds.

n. an atmospheric region of relatively low pressure, typically associated with unsettled weather patterns.

“The weather forecast says a tropical depression is moving toward the coast.”

“A deep depression over the Atlantic is expected to bring gale-force winds to the western islands by midnight.”

C2 · Proficiency Uncountable noun Formal · Technical

n. the act of pushing something down.

n. the physical act of pressing a part or lever downwards.

“The depression of the pedal starts the machine.”

“The rapid depression of the plunger creates enough pressure to force the liquid through the narrow nozzle.”