Main definitions of clamp in English

: clamp1clamp2

clamp1

noun

  • 1A brace, band, or clasp used for strengthening or holding things together.

    • ‘When the leg placement is correct, tighten the clamps.’
    • ‘Tighten the clamps alternately so the joints meet as evenly as possible.’
    • ‘Use small wood blocks or clamp covers so that clamps will not mar the wood.’
    • ‘Today with the good quality stainless steel clamps, the second clamp is not as critical as in days of old.’
    • ‘Secure your work with a vise or clamps: at elbow height for general filing, lower for heavier filing, and nearer to eye level for delicate work.’
    • ‘Start by attaching the flexible vent from vent-connection kit to the periscope vent, using the band clamps in the kit.’
    • ‘The dolphins could also attach a clamp onto an intruding diver, which would act as a restraint device.’
    • ‘The extensions are actually part of each side of the saw clamp, riveted together at the outer end.’
    • ‘With a whine, the hydraulic clamps extended, moving the severely damaged chassis walls down to the floor.’
    • ‘Check the edges for alignment often before tightening the clamps down.’
    • ‘Probably a ring-shaped structure holds the DNA like a sliding clamp.’
    • ‘The barrel is held in place by a simple clamp and setscrew arrangement.’
    • ‘A note of caution: stainless steel hose clamps aren't always stainless.’
    • ‘Jack ran to the back of the mainframe and released the hydraulic power clamps.’
    • ‘She took an old broom handle and attached her garden hose to it with four metal hose clamps.’
    • ‘Another very useful tool is a laminate flooring clamp, which tightens together tongue and groove boards.’
    • ‘Bending a walnut stock is done by adding gradual heat, a procedure requiring special clamps and vises.’
    • ‘Back in the early days, most hose clamps were steel and corroded readily.’
    • ‘Once it has dried, remove the clamps.’
    • ‘Then turn both top and bottom plates on their sides and put them together using large jaw clamps.’
    brace, vice, press
    View synonyms
    1. 1.1 An electric circuit that serves to maintain the voltage limits of a signal at prescribed levels.
      • ‘A clamp circuit controls the terminal voltage of the smoothing capacitor to a predetermined level so as to produce a power supply voltage.’
      • ‘Single OHCs were studied under whole-cell voltage clamp.’
      • ‘Note that at the most negative voltage the clamp becomes unstable, indicating that here the capacity is overcompensated.’
      • ‘We set up each experiment to take a series of 27 images with the clamp voltage switched back and forth between 0 mV and a test voltage after every three image frames.’
      • ‘When the driving voltage of sense amplifier exceeds the reference voltage, the clamp drops the driving voltage of sense amplifier.’
      • ‘Electrical plug device including optical plug and socket connectors, terminal clamps connecting to electric mains, and an electronic bus coupler’
      • ‘The conventional whole-cell voltage clamp recording method was employed.’

verb

[WITH OBJECT]
  • 1Fasten (something) in place with a clamp.

    ‘the sander is clamped onto the edge of a workbench’
    • ‘With the bike upside down, clamp the top of the seatpost into a large bench vise that is bolted to a very secure workbench.’
    • ‘She placed a motorized device onto the rope and clamped it in place.’
    • ‘‘The handle was clamped in a vice on a workbench, yet the blade started vibrating like mad,’ he said.’
    • ‘Prisms and small mirrors also can be clamped in place on their mounts with multiple springs.’
    • ‘At first the mirrors were just clamped onto aluminum blocks, but the linkage was a major source of vibration.’
    • ‘Stabilize tools for sharpening by bracing them against a solid surface or clamping them in a vise.’
    • ‘Metal clamps appeared out of nowhere, clamping her ankles and wrists to the chair.’
    • ‘All tools should be clamped securely (with the blade up) in a vise before they are filed.’
    • ‘They were clamped in place whilst the resin cured by screwing in bolts.’
    • ‘Use a straight edge and clamp the boards down to make an even, straight cut.’
    • ‘I use an electric drill clamped in a vice to turn my wood.’
    • ‘To cut acrylic by snapping, first lay out your cut line on the protective sheet, then hold or clamp a straightedge against the line.’
    • ‘I clamp a steel straight edge in a vise and just draw the surface over the steel edge a few times.’
    • ‘To make a bolt, a smith clamped the screw plate onto a rod of cold, soft iron and turned it down the rod.’
    • ‘I clamp together the second corner with the vices.’
    • ‘The solution is to clamp a pair of straight-edge boards in place to serve as a saw guide.’
    • ‘Loosely clamp legs together at their centers with C clamps.’
    • ‘Plan your cuts so that the direction of the wood grain parallels the long edges and clamp a straightedge to the plywood to guide your cuts.’
    • ‘The umbilical cord is usually clamped and cut at this stage.’
    fasten, secure, fix, clip, attach, make fast
    View synonyms
    1. 1.1 Fasten (two things) firmly together.
      ‘the two frames are clamped together’
      • ‘Erica sat at her seat hands clamped tightly together staring at the clock.’
      • ‘His hands were clamped together tightly, his knuckles white.’
      • ‘I started laughing but it came out like a weird snorting, snuffling sound because my jaws were clamped together.’
      • ‘They feature strong serrated jaws which clamp together when the trap is sprung.’
      • ‘His hands clamped together between his knees, making his knuckles turn white as thoughts tumbled through his head.’
      • ‘Spread large rolls thinly with horseradish and thickly with mayonnaise, then pile on the beef, clamp together and eat at once - messily.’
      • ‘They question ancient rituals performed at the site - such us making a wish for prosperity by clamping two padlocks together and hurling them over the cliff - even as they reenact them.’
      • ‘The wings folded back as the talons clamped together to make feet.’
      • ‘His teeth were so clamped together I wasn't even sure how he spoke.’
      • ‘His blade hissed, his eyes grew wide, his teeth clamped together in a hard bite that sent a tremor of ache through his jaw.’
      • ‘My jaw began to ache from how tightly I had clamped my teeth together.’
      • ‘Martina blinks away tears, hardly able to catch her breath with her lips tightly clamped shut.’
      • ‘I didn't say anything, just led him into the inn, my lips clamped tightly together in disapproval.’
      • ‘She sucked her lips together like the doors of a lift clamping shut.’
      • ‘An uncanny silence descended on a school as pupils made a superhuman effort to clamp their lips tightly shut.’
      • ‘I suddenly clamped my lips shut, tried to prevent the intake of air through my nostrils.’
      • ‘Milo had his eyes screwed shut in pain, jaw clamped tight shut lest he cried out.’
      • ‘My hands convulsively clenched, my teeth clamped together, my nostrils flared, my lips curled, and a red mist descended in front of my eyes.’
      • ‘The lip gloss was so sticky you had to keep your mouth open all day, or else your lips would clamp together.’
      • ‘‘What you mean is that you would like to stay the night’ Raven nodded, lips clamped together tight.’
    2. 1.2 Hold (something) tightly against or in another thing.
      ‘Maggie had to clamp a hand over her mouth to stop herself from laughing’
      • ‘Dominick seemed amused, his teeth firmly clamped around his cigar.’
      • ‘Renae cried trying again to pull away, but Jake's hand remained clamped around her wrist.’
      • ‘She clamped a hand onto the other girl's shoulder, catching her breath.’
      • ‘Logan tried to get up, but her hand was clamped very tightly around his arm.’
      • ‘He hadn't taken a step, however, before something clamped around his ankle and immobilized him.’
      • ‘Panic washing over her at the realization, she sat back onto her knees and clamped her hands over her ears.’
      • ‘Suddenly a hand clamped down over her mouth, preventing her from crying out.’
      • ‘He kept his hand firmly clamped on her wrist so that she would not escape him.’
      • ‘She opened her mouth to scream, but a hand clamped down over her mouth.’
      • ‘And it seems the obligatory pungent cigarette, clamped firmly in the corner of the mouth, is a necessary aid to concentration.’
      • ‘Before I could scream, his had his hand firmly clamped over my mouth.’
      • ‘I screamed even louder, and then I felt a hand clamp over my mouth.’
      • ‘I had an angry beach crab clamped tightly onto my nose.’
      • ‘In the infinitesimally small light, I saw Jason bang against the edge, and I clamped a hand over his mouth before he could cry out.’
      • ‘He turned his back, screwed his eyes shut and clamped his hands over his ears.’
      • ‘I tried, clamping my hand onto his arm in a desperate effort to make him understand, but he shrugged me off.’
      • ‘She came running, a stick clamped firmly between her jaws.’
      • ‘With pipe clamped firmly between his teeth, Voss presents us with a passive observer simply looking forward to a few days of quiet fishing.’
      • ‘Alex clamped her hand onto Becky's shoulder and began to slow her pace down.’
      • ‘A pair of hands suddenly clamped down on her shoulders, making her jump.’
      clench, grip, hold, press, squeeze
      View synonyms
    3. 1.3 Maintain the voltage limits of (an electrical signal) at prescribed values.
      • ‘A second clamping transistor is connected intermediate the input transistor and a power supply rail and has a gate for receiving an upper clamping voltage.’
      • ‘For good protection, especially for computers, look for a protector with a clamping voltage of less than 400 volts.’
      • ‘Using this circuit, the voltage at V m was clamped with the dSEVC amplifier and measured independently with a second microelectrode amplifier.’

Phrasal Verbs

  • clamp down

    • Suppress or prevent something in an oppressive or harsh manner.

      • ‘The harder the government clamps down, the more its opponents strike back.’
      • ‘So let us not forget that there's much power in all of us and the reason why they're clamping down on us is because they're scared of us.’
      • ‘The government was intent on reducing the number of firearms, clamping down on illegal drugs and substance abuse.’
      • ‘The authorities are clamping down on blogs, which are free sites through which people publish thoughts and opinions.’
      • ‘Whatever the case, clamping down on freedom of expression in any of its forms is tantamount to crushing our fledging democracy.’
      • ‘And he warned that police would be clamping down especially hard on speeders over the coming Bank Holiday and extra officers would be deployed.’
      • ‘Authorities are now clamping down on the cross-border movement of tribal people on both sides of the frontier.’
      • ‘Council chiefs are clamping down on motorists who park on the pavement, blocking the way for wheelchair users and the elderly.’
      • ‘While the government is intent on clamping down on truancy, it is preventing other children from attending school with equal vigour.’
      • ‘Police say they are determined to clamp down on bikers riding in an anti-social manner, on or off-road.’
      • ‘The government may be clamping down on abuses of the asylum system.’
      • ‘You may have noticed on the news that in the South the authorities are clamping down on those not wearing seatbelts in the vehicles.’
      • ‘She is also engaging the help of the public in clamping down on crime and anti-social behaviour and putting more community support officers on the streets.’
      • ‘Police across Greater Manchester are clamping down on drivers unfit to be on the road after taking illegal or prescription drugs.’
      • ‘They may be effective at clamping down on speedsters, but if a camera snaps 50 people speeding, a vast amount of follow-up work then has to be done.’
      • ‘Marches and demonstrations became increasingly militant, and the Government reacted by clamping down harshly on this civil unrest.’
      • ‘She said police were clamping down on those who were speeding.’
      • ‘It followed a publicity drive aimed at highlighting tough new laws clamping down on the sale of tobacco to young people under 16.’
      • ‘The GN is also implementing its Tobacco Control Act that regulates the sale of tobacco to those over 19, clamps down on advertising and also restricts smoking in public places and workplaces.’
      • ‘The government is clamping down fiercely on a popular uprising, which has seen hundreds killed.’
      suppress, prevent, stop, put a stop to, put an end to, stamp out
      View synonyms

Origin

Middle English: probably of Dutch or Low German origin and related to clam.

Pronunciation

clamp

/klamp//klæmp/

Main definitions of clamp in English

: clamp1clamp2

clamp2

noun

British
  • 1A heap of potatoes or other root vegetables stored under straw or earth.

    • ‘From his own patch he had harvested potatoes the previous summer and had laid them in a clamp.’
    • ‘There is also a theory about making a potato clamp to keep them in over the winter.’
  • 2A three-sided structure used to store silage.

    ‘a silage clamp’
    • ‘At present there is surplus silage on many farms and the advice is to use up the bales by early summer and to seal up any silage left in the clamps.’
    • ‘It normally yields 300 tonnes of whole-crop silage which is placed in a clamp constructed from square bales of grass silage.’
    • ‘The storage of silage on the pad (either in a makeshift straw clamp, or in plastic bags) is an agricultural use and not development.’
    • ‘A farm here is extraordinary, a huge thing, mostly hidden from a distance bar its fine silage clamp.’
    • ‘It had been his intention to construct the silage clamp as a single structure.’
    • ‘Farmers are reverting to clamps of silage or traditional haymaking which is very difficult in the conditions which are far from ideal.’
    • ‘A preservative is then applied and the grain is ensiled in a polythene-lined clamp.’
    • ‘Some farmers were also concerned that foot-and-mouth might be brought on to their farms by contractors making silage so did not want to use their silage clamps.’

Origin

Late 16th century (denoting a pile of bricks for firing): probably from Dutch klamp ‘heap’; related to clump.

Pronunciation

clamp

/klamp//klæmp/