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.

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

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

Jun 26, 2025 · LAFAYETTE, La. (NEWS 15) — A trending video showing a Louisiana utility worker hanging upside down in a bucket truck after a semi-truck collision in Denham Springs has spotlighted …

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

Jun 27, 2025 · Dash cam video captured the moment when a semi-truck made a wide left turn and struck a bucket truck with a worker in it.

Jun 27, 2025 · DENHAM SPRINGS, La. (CNN) - A utility worker in Louisiana is recovering after his vehicle was struck by a semi-truck. The incident was caught on video.

Jun 27, 2025 · A semi-truck slammed into an electrical worker's vehicle near Baton Rouge, Louisiana. (Bill Atkinson)

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% …