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.

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

Nov 18, 2025 · SEMI Europe commends the European Commission and member states for their commitment to building a competitive semiconductor ecosystem. However, as the Chips Act 2.0 …

semi-skilled used to describe something that happens twice within a particular time: a semi-weekly appointment (Definition of semi from the Cambridge Business English Dictionary © Cambridge …

A semi is a large truck that is made in two separate sections, a tractor and a trailer, which are joined together by metal bars.

semi- a combining form meaning “half” (semiannual), “partially,” “somewhat” (semiautomatic; semidetached; semiformal).

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

Welcome to connect@semi - your invaluable member benefit for resources and relationships.

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 …