Definition of bonded in US English:



  • 1(of a thing) joined securely to another thing, especially by an adhesive, a heat process, or pressure.

    ‘bonded metal plates’
    • ‘Roll-bonded panels are made from two sheets of aluminum that are bonded together by heat and pressure.’
    • ‘First the Kraft paper type sheets are glued together along with the print film, then this is glued to the core, and everything is bonded together under pressure.’
    • ‘Between the outer fabric and the headliner is a bonded fiber insulation to reduce noise and heat transmission.’
    • ‘This patented coating is bonded permanently to the surface of the glass by a special manufacturing process.’
    • ‘One end of the bonded material was clamped to a metal ‘crosshead,’ which moved when a lead screw was turned by a geared motor.’
    • ‘MDF, or medium density fiberboard, is a manufactured wood product consisting of sawdust bonded together at high heat and pressure by resins.’
    • ‘It's the same technology as photocopiers: toner particles are bonded to paper through heat.’
    • ‘The floor and tunnel are spot welded together and then bonded with adhesives to the structural framework.’
    • ‘They can be heat sealed, solvent bonded, or ultrasonically welded to other PVC parts.’
    • ‘Discovered in Sheffield in the 1740s, Sheffield plate was a bonded laminate of a thin layer of silver to a block of copper.’
    • ‘This mixture was then conveyed to the top of a Boyd hydraulic brick press and bonded into a semi-hard brick with moderate pressure.’
    • ‘In the LOM process, layers of paper are placed, bonded to the layer below, and cut with a laser.’
    • ‘An arrow shot through it and the names Kenny and Lori were bonded together.’
    • ‘The firm's efforts resulted in a patented coating which is bonded permanently to glass via a specialised manufacturing process.’
    • ‘A bonded joint has very good shear strength, but not so good resistance to being pulled or torn apart; riveting is the familiar answer.’
    • ‘Jill Fogg, for the agency, told them that when it investigated, an officer found cement, bonded asbestos and a bag containing hydrated lime.’
    • ‘The deck and hull of all Fountain boats are securely bonded together with adhesives, mechanical fasteners as well as fiberglass and resin.’
    1. 1.1 Emotionally or psychologically linked.
      ‘a strongly bonded group of females’
      • ‘And I know that we never truly bonded or talked about our feelings for each other.’
      • ‘I feel we have bonded nicely and understand each other a little more.’
      • ‘The couple bonded over the restaurant, fishing and golf.’
      • ‘She said many of the victims' families had bonded over the years to support each other in their grief.’
      • ‘Interestingly, we didn't know each other till this event, but have bonded since.’
    2. 1.2 Held by a chemical bond.
      ‘bonded atoms’
      • ‘Some chemicals are generally encountered as a diatomic bonded pair.’
      • ‘This method appears promising for covalently bonded metals.’
      • ‘A diamond is a special kind of covalent network solid, because it consists entirely of covalently bonded carbon atoms.’
      • ‘Lewis's idea of stable, filled electron shells can be used to predict which atom is bonded to which other atom in a molecule.’
      • ‘Specific sequences of these base pairs, which are bonded together by atoms of hydrogen, make up the genes.’
      • ‘The two components are not chemically bonded, but are linked by van der Waals forces.’
      • ‘A chemical reaction therefore reveals which pair of building blocks has bonded to the enzyme.’
      • ‘Bond strength is the energy needed to break apart two bonded atoms.’
      • ‘These materials contain planes in which copper and oxygen atoms are chemically bonded to each other.’
      • ‘Side groups are also chemically bonded to atoms in the chain to give the polymer its unique characteristics.’
      • ‘The carbon atoms are covalently bonded and surrounded by hydrogen atoms.’
      • ‘Such substances consist of a nitrate ion chemically bonded to a hydrocarbon molecule that's lost one of its hydrogen atoms.’
      • ‘Many elements ordinarily occur as diatomic molecules, or molecules consisting of two atoms chemically bonded.’
      • ‘These monomers are generally bonded together in a chain-like manner creating a molecular backbone.’
      • ‘Each tiny V-shaped water molecule is made of two hydrogen atoms covalently bonded to oxygen.’
      • ‘Organic compounds and other covalently bonded molecules do not dissolve well in water.’
      • ‘When assigning priority to groups, atoms that are directly bonded to the carbon atom have their priority based upon their atomic number.’
      • ‘Thermoplastics consist of long carbon chains that are covalently bonded to chains of other atoms.’
      • ‘In silica, each silicon atom is bonded to four oxygen atoms and each oxygen atom is bonded to two silicon atoms.’
      • ‘Ionic compounds, however, are composed of ions, not covalently bonded atoms.’
  • 2(of a person or company) bound by a legal agreement.

    • ‘A friend of Adam's had co-signed a form to say I was bonded to him so there was no way for me to get out of the place, although I did run away once.’
    • ‘Under a surety bond, if the bonded party doesn't fulfill their side of a deal, the company issuing the bond steps in to compensate the customer.’
    1. 2.1 (of a worker or workforce) obliged to work for a particular employer, typically in a condition close to slavery.
      • ‘Even though it has been illegal for 70 years, there are an estimated 25,000 bonded laborers in Nepal.’
      • ‘Tucker and Ganeson estimate the number of bonded child laborers in India at 15 million.’
      • ‘Laborers are bonded to the owners through a system of advanced payments whose interest rates are so high that workers can never repay them fully.’
      • ‘There, production still depends on bonded children.’
      • ‘The Bonded Liberation Front estimates that there are 25m bonded children in India, Pakistan, Bangladesh, Nepal and Sri Lanka.’
      • ‘Some are brought in quite legally but are bonded though debts of up to £30,000 and forced to work.’
    2. 2.2 (of a debt) secured by bonds.
      • ‘500 bonded scholarships will be available to high-achieving students.’
      • ‘Some experience has already been gained with cooperative debt exchange and re-profiling of bonded debt in the case of some member countries.’
      • ‘Though unnecessary for the under- $100,000 projects he had been handling, the company needed to become bonded in order to go after larger projects.’
      • ‘Would a bonded student loan abatement system encourage you to hang around after you gain a new qualification?’
      • ‘He said he was fully bonded by his insurers and the bank.’
      • ‘Lenders will insist on a fixed price contract from a reputable builder that is fully bonded in most cases, and will usually only issue funds in stages as per the architect's certificate of value.’
  • 3(of dutiable goods) placed in bond.

    • ‘Another sign of Jakarta's gloomy investment atmosphere is the number of investors who have canceled plans to open operations in the bonded zone in Marunda.’
    • ‘Arena would receive lists of bonded goods on offer from other traders so he would know what goods were available in the market.’