Also means
deceleration
Usage Note
Ralentización is the noun form of ralentizar (to slow down), itself from French ralentir. It is used in economic, traffic, and scientific contexts to describe a reduction in speed or pace — ralentización económica (economic slowdown) is a frequent collocation. The competing borrowing desaceleración is also used and preferred in physics; ralentización is more common in economics and journalism.
Examples
"Los expertos anticipan una ralentización del crecimiento este año."
Natural Translation
Experts anticipate a slowdown in growth this year.
Related Words
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