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.

Nov 18, 2025 · SEMI Europe commends the European Commission and member states for their commitment to building a competitive semiconductor ecosystem. However, as the Chips Act 2.0 …

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

Despite what you may think, the "semi" in “semi-truck” actually refers to the trailer, not the truck itself. In fact, the name “semi-truck” is just a shortened version of “semi-trailer truck.”

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 …

The word “semi” is derived from the Latin word “semi re,” which means “half.” This likely refers to the fact that semi-trucks only haul half of a load compared to a full-sized trailer. The other half of the load is …

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Sep 25, 2024 · It's a "semi" trailer because it doesn't have its own engine, front axles and wheels, transmission, and so on. Thus, "semi-truck" is a nickname for a truck that carries a semi-trailer.

Nov 20, 2025 · Tesla has revealed a redesign of its electric semitruck as it gears up to begin high-volume production in 2026 — a long-awaited move expected to shake up the trucking industry. …

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