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 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 …

Semi - is a combining form used like a prefix meaning “half.” In some instances, it is used figuratively to mean "partially," "incompletely," or "somewhat."

Semi- combines with adjectives and nouns to form other adjectives and nouns that describe someone or something as being partly, but not completely, in a particular state.

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 14, 2022 · SEMI is an industry association that has 2,400 member companies in the semiconductor and electronics design and manufacturing industry and supply chain. Founded in 1970, the …

Sep 25, 2024 · Despite the use of "semi" in the name, semi-trucks are typically much larger than straight trucks and can carry heftier loads, as the trailers in the back give them increased support options.

Dec 12, 2025 · Adverb [edit] semi (not comparable) (informal) Somewhat; to some extent. quotations

Dec 16, 2025 · Global sales of total semiconductor manufacturing equipment by original equipment manufacturers (OEMs) are forecast to reach a record high of $133 billion in 2025, growing 13.7% …