Definition of semi-automatic in English:

semi-automatic

adjective

  • 1Partially automatic:

    ‘a semi-automatic gearbox’
    • ‘The machine has three modes of operation: automatic, semi-automatic and interactive.’
    • ‘Other options will include Climatic, a semi-automatic air conditioning system which uses less fuel than a conventional system and integrated rear child seats.’
    • ‘All that is transmitted through a semi-automatic five-speed gearbox, which is a delight to use.’
    • ‘Softeners are automatic, semi-automatic, or manual.’
    • ‘The semi-automatic transmission is smooth and takes less getting used to than you would think.’
    • ‘But turn the key, click the semi-automatic gearshift into drive and as the revs rise, comfort drops down the scale.’
    • ‘It is an easy car to drive, with a semi-automatic gearbox that is effortless to use.’
    • ‘It is a stand-alone, base-mounted semi-automatic unit.’
    • ‘The gearbox is an electrohydraulically-operated semi-automatic, and the hydraulics need to be pumped up by the engine.’
    • ‘Where fully automatic techniques are inapplicable, semi-automatic equipment can combine the advantages of manual and automatic welding.’
    • ‘The toll facility consists of four channels with manual toll collection and two channels with semi-automatic toll collection.’
    • ‘The automatic gearbox performed well in both semi-automatic and automatic modes.’
    • ‘Over the past three years, there has been growing interest in measuring human travel patterns using Global Positioning System or other similar semi-automatic devices.’
    • ‘The Smart is very easy to drive and the semi-automatic sequential gearbox is fine - once you get used to it.’
    • ‘And adverb placement (especially for connective adverbs) is relatively easy to study by automatic or semi-automatic means.’
    • ‘The weapon has an automatic hydraulic laying system and the loading system is semi-automatic.’
    • ‘We have investigated three major methodologies used in the automatic and semi-automatic classification of text.’
    • ‘Production facilities include a variety of automatic and semi-automatic sheet metal presses, forming equipment and robot welding cells.’
    • ‘The introduction of the semi-automatic gearbox with no clutch pedal by both Renault and Saab failed to impress the market.’
    • ‘The convertible is available with a manual or semi-automatic cloth-lined top that opens and closes in 13 seconds.’
    1. 1.1 (of a firearm) having a mechanism for self-loading but not for continuous firing:
      ‘semi-automatic rifles’
      • ‘Once hailed as the ultimate home-defense firearm, pistol-caliber semi-automatic carbines never caught on as well with the police or the general public as it did with gun writers.’
      • ‘The weapons included a revolver, a semi-automatic pistol and a sub-machine gun.’
      • ‘McDermott was seated in a chair in the building lobby armed with an assault-style semi-automatic rifle, a 12-gauge shotgun and a semi-automatic handgun, having finished his rampage by that time.’
      • ‘Pandemonium erupted yesterday when eight armed robbers wielding semi-automatic rifles and handguns opened fire in the packed Walmer Park Shopping Centre, causing shoppers to run screaming in terror.’
      • ‘An amnesty to get guns off the streets of Bradford has seen rifles, revolvers and semi-automatic pistols handed over.’
      • ‘We carried semi-automatic rifles and shotguns with hollow point shells designed to pierce a boarder's hull right below the water line.’
      • ‘A rifle and a semi-automatic handgun were also found in the drugs operation, following weeks of surveillance by officers from the Clare and Limerick drug squads.’
      • ‘Dusty and half-hidden they may have been, but there was no denying what was buried on his land - a cache of machine-guns and semi-automatic rifles.’
      • ‘Because it's more difficult for potential offenders to get their hands on a semi-automatic rifle or shotgun, they're using handguns or knives or syringes instead.’
      • ‘But, in Idaho, let's remember this is a semi-automatic firearm.’
      • ‘Investigators said they suspected shotguns and semi-automatic pistols were used in the attack.’
      • ‘Police said he walked into an economics class at Monash University and fired a revolver and a semi-automatic pistol, killing two male students in their 20s, both of Asian background, and wounding five others.’
      • ‘Among the arms recovered were handguns, semi-automatic firearms, explosives, pipe bombs, bomb components and several bombs.’
      • ‘The shipment contained 220 assault rifles and 60 semi-automatic shotguns.’
      • ‘‘He had a shotgun and a semi-automatic rifle and he appeared to open fire at random on employees,’ he said.’
      • ‘But as the war progressed the bolt action rifle was increasingly supplemented, or replaced, by carbines and by a variety of other automatic and semi-automatic firearms.’
      • ‘But she was only using a semi-automatic handgun, not a machine gun.’
      • ‘They fired several rounds from handguns and semi-automatic rifles at the vehicle, which finally came to a halt about 500 metres from the depot with all four wheels punctured.’
      • ‘The only things you can fire off there are sparklers, fountains, birthday candles and semi-automatic firearms.’
      • ‘Flashbangs, frag grenades, silenced semi-automatic guns and sniper rifles are just a few of the arms you can load each member of your team with.’

noun

  • A semi-automatic firearm:

    ‘my Browning semi-automatic’
    • ‘Brandy lent Tabbi one of the semi-automatics, just in case the man woke up and he wasn't on their side.’
    • ‘Both books gave me considerable knowledge and insight into the use of handguns, both sixguns and semi-automatics.’
    • ‘But this time around, Papa's got a tool shed full of semi-automatics and Mama's got an oven stocked with knives.’
    • ‘An instant later, the door burst open and he was staring down the muzzles of two semi-automatics and a handgun.’
    • ‘Three men raised their semi-automatics while another walked up and snatched the rope off the ground.’

Pronunciation:

semi-automatic

/ˌsɛmɪɔːtəˈmatɪk/