Semi truck bed mattress How to use semi in a sentence. Semi- is a numerical prefix meaning "half". 3 million professionals worldwide. In fact, the name “semi-truck” is just a shortened version of “semi-trailer truck. ” In some instances, it is used figuratively to mean "partially," "incompletely," or "somewhat. . 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. " Sep 25, 2024 · It's a "semi" trailer because it doesn't have its own engine, front axles and wheels, transmission, and so on. Semi- is a numerical prefix meaning "half". 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 University Press) Semi - is a combining form used like a prefix meaning “half. ” SEMI Is the global industry association representing the electronics manufacturing supply chain, connecting over 2,000 member companies and 1. Despite what you may think, the "semi" in “semi-truck” actually refers to the trailer, not the truck itself. The meaning of SEMI is semifinal —often used in plural. Thus, "semi-truck" is a nickname for a truck that carries a semi-trailer.