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PSD

American

prevention of significant deterioration: used as a standard of measurement by the U.S. Environmental Protection Agency.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The PSD report and any reinvestigation will now be looked at by the police watchdog, the Independent Office for Police Conduct, which previously found the death had not been "robustly investigated".

From BBC • Feb. 3, 2026

During the PSD investigation into her, it is alleged she made “very serious allegations”.

From BBC • Sep. 23, 2024

The measure is needed to protect Romanian farmers as the compensation provided by the European Commission "cannot cover the overall damage they sustained," PSD said.

From Reuters • Apr. 18, 2023

The show, broadcast from the PSD Bank Dome will be shown in more than 170 countries.

From Seattle Times • Nov. 13, 2022

The PSD already had men investigating both Ravenhurst and Thurston, but when they found out that Ravenhurst was looking for a confidential expediter, for a special job, they'd shoved me in fast.

From A Spaceship Named McGuire by Garrett, Randall

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023