2 definitions by PettyCrocker

CIS is an abbreviation for the term "Collective Information Source".

A collective information source is an educational resource with information specific to a certain subject; it is usually held in a binder or folder.

A CIS can be created for general educational purposes, as a place to gather ones arguments during a disagreement, or out of pettiness.

This abbreviation is not to be confused with any of the following:
Cisgender, The Center for Immigration Studies, The Commonwealth of Independent States, The Council of International Schools, The Center for Internet Security, Canadian Interuniversity Sport, The Corpus Inscriptionum Semiticarum, Carcinoma in situ, The Center for Comparative and International Studies, The Knabenchor collegium iuvenum Stuttgart, a continuous ink system, a copper indium selenide solar cell, a contact image sensor, The Confederacy of Independent Systems, the towns in Italy and Poland, the mathematical function, the Cis beetle, cis regulatory elements, cis isotope alkenes, cisalpine, and the C# music note.
She disagreed with him so much that she created a CIS to give to him.
by PettyCrocker June 28, 2016
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by PettyCrocker November 23, 2021
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