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The meaning of SEMI is semifinal —often used in plural. How to use semi in a sentence.

Semi- is a numerical prefix meaning "half". The prefix alone is often used as an abbreviation when the rest of the word (the thing which half of is being described) is clear from context.

Learn about Semi, a fully electric semi truck with active safety features, massive range and a spacious interior designed for maximum visibility.

SEMI Is the global industry association representing the electronics manufacturing supply chain, connecting over 2,000 member companies and 1.3 million professionals worldwide. SEMI Standards …

SEMI provides experienced professionals and newcomers to the global semiconductor industry with best-in-class technical and business training.

SEMI membership opens the door to new opportunities and connections that grow your business. Only through membership can you take full advantage of SEMI programs, initiatives, and staff support that …

SEMI Standards form the foundation for innovation in the microelectronics industry. The SEMI Standards process has been used to create more than 1000 industry approved standards and …

2 days ago · A fatal multi-vehicle crash involving a semi-truck forced the hourslong closure of the westbound 10 Freeway in Ontario Thursday morning.

Dec 29, 2025 · semi (plural semis) (UK, Ireland, Australia, Canada, informal) A semi-detached house. quotations 2008, Elliott Placks, quoted in Helen Isbister, Morris Bryant, Property, Career FAQs, …