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OSI

British

abbreviation

open systems interconnection; an international standardization model to facilitate communications among computers with different protocols

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Ross Barnett, director of investigations at OSI, on Tuesday said they were confronting "challenging circumstances" – which include limited preserved physical evidence and no cross-border policing cooperation.

From BBC • Apr. 8, 2026

Prior to that, its biggest ever acquisition was its $3.8 billion purchase of OSI Pharmaceuticals Inc in 2010.

From Reuters • Apr. 30, 2023

The Air Force OSI did not immediately respond to email messages.

From Washington Times • Nov. 17, 2022

The U.S. — home to OSI Systems, one of Nuctech’s most important commercial rivals — has come down hard against Nuctech.

From Seattle Times • Jan. 19, 2022

Gateways operate at the 4th through 7th layer of the OSI model.

From The Online World by De Presno, Odd

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