S.i.

name, noun

Definitions

Proper Noun
  1. 1
    Synonym of SI (International System of Units)
Noun
  1. 1
    Initialism of statutory instrument. Australia, Canada, UK, abbreviation, alt-of, initialism

    "Civil Procedure Rules 1998, S.I. 1998/3132 (L. 17)"

Etymology

Etymology 1

From French S.I..

Etymology 2

From French S.I..

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