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.

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7 hours ago · Get a real-time stock price for the SEMI ETF (Columbia Select Technology ETF) with an overview of various metrics and statistics.

SEMI connects more than 2,500 member companies and 1.3 million professionals worldwide to advance the technology and business of electronics design and manufacturing.

What does semi - mean? Semi - is a combining form used like a prefix meaning “half.” In some instances, it is used figuratively to mean "partially," "incompletely," or "somewhat." It is often used in …

Mar 26, 2025 · The Semi 101 series is a beginner’s guide to understanding microchips and the semiconductor industry – from components to processes and everything in between. This guide is …

SEMI represents the electronics manufacturing and design supply chain, connecting over 2,600 member companies and 1.3 million professionals worldwide.

Dec 29, 2025 · Adverb [edit] semi (not comparable) (informal) Somewhat; to some extent. quotations

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 …