What does SI stand for?

Spray Injection

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Special Instruction Special Intelligence Specific Impulse (measure of efficiency of rocket engines) Speech Impairment Spiritual Intervention (religious doctrine) Spokane International Railroad Company Sponsor Identification Sport Injected (Honda) Sports Illustrated Sports Interactive (game)		Square Inch(es) Standardization (Flight) Instructor Standardization and Interoperability Staten Island Statutory Instrument (UK Legislation term) Step-Index Still Image Straight-In Approach Strange Interlude (Eugene O'Neill book) Strategic Initiative (management)

Samples in periodicals archive:

The powerful new analyzer features a unique, patent-pending chromium plated copper spray injection design, which is able to inject high boiling point component samples without blocking the injection system.

United Kingdom: Thermo Fisher Scientific Launches the Most Compact ...

Spray injection provides compaction of the patching material from the "bottom-up" in its delivery, and the patch is ready for immediate service.

Pothole patchers demonstrated in California

Patch Management provides the only spray injection system available for year-round use, and it remains the industry leader in eco-friendly practices.

Patch Management, Inc.'s New Eco-Friendly System Makes Filling ...