Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OCSI is...

OCSI is

Os Calcis Stiffness Index

More Meanings For OCSI:

Open Collaboration Services Initiative
Olds College School of Innovation
Oxford and Cambridge Society of India
Os Calcis Stiffness Index
Oxford Consultants for Social Inclusion
One Call Systems International

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