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.

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

6 meanings: 1. British a semidetached house 2. → short for semifinal 3. US, Canadian, Australian and New Zealand → short for.... Click for more definitions.

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 …

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

semi- 1. A prefix that means "half," as in semicircle, half a circle. 2. A prefix that means "partly," "somewhat," or "less than fully," as in semiconscious, partly conscious.

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.

SEMI meaning: 1 : semifinal usually plural; 2 : a short, heavy truck that has a long trailer attached to the back and that is used to move goods semitrailer

Definition of semi noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.