Semi

//ˈsɛmi// adv, noun, slang

Definitions

Adverb
  1. 1
    Somewhat; to some extent. informal, not-comparable

    "'Is that a serious question?' he asked. Ralph shrugged with his face, jutting out his bottom lip. 'Well ... semi,' he said."

Noun
  1. 1
    A semi-detached house. Australia, Canada, Ireland, UK, informal

    "2008, Elliott Placks, quoted in Helen Isbister, Morris Bryant, Property, Career FAQs, Australia, page 40, I′m selling two side-by-side semis that are currently under construction, a waterfront apartment and a house in Rose Bay."

  2. 2
    a trailer having wheels only in the rear; the front is supported by the towing vehicle wordnet
  3. 3
    A semi-trailer; a tractor-trailer; an eighteen-wheeler; an artic. Australia, Canada, New-Zealand, US

    "I was hungry an' freezin' an' done caught a chill / When the lights of a big semi topped the hill"

  4. 4
    a truck consisting of a tractor and trailer together wordnet
  5. 5
    A semifinal. informal
Show 5 more definitions
  1. 6
    one of the two competitions in the next to the last round of an elimination tournament wordnet
  2. 7
    A partial erection of the penis. slang

    "The twink got a semi just from that look."

  3. 8
    A semiautomatic firearm. slang

    "See these niggas through the reticle sight up on my semi […] For niggas plottin', I might blow it at your fitted Get your bitch-ass slimed out, it ain't no kiddin' Ain't no kiddin', got that semi"

  4. 9
    Semiconductor companies or positions in the stock market. slang
  5. 10
    An intermediate in the production of end-use goods. colloquial

    "Mining companies crush and grind the extracted ore, and then use flotation processes to produce copper concentrates, which typically contain up to 30 percent copper. These concentrates are then smelted to produce copper blister, which has a purity of up to 99 percent. The blister is further refined to produce copper cathode, or pure copper, with a grade of around 99.99 percent. This process is known as pyrometallurgy, and is suitable for sulfide ores as opposed to oxide ores. The pure copper then feeds into the fabrication of various copper products, such as wire rods, wires, bars, and sheets—collectively known as semis—used as inputs in the manufacturing of end-use products, including consumer goods and construction, transportation (e.g., EVs) and infrastructure components."

Etymology

Etymology 1

The prefix semi- (from Latin) used as a noun.

Etymology 2

The prefix semi- (from Latin) used as a noun.

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