Definition of bilateral in English:



  • 1Having or relating to two sides; affecting both sides.

    ‘bilateral hearing is essential for sound location’
    • ‘Angiogram showing bilateral occlusions of superficial femoral arteries in thighs.’
    • ‘Chest radiograph revealed bilateral small lung nodules in the upper lung fields.’
    • ‘He was registered blind and had been diagnosed as having gross bilateral macular degeneration.’
    • ‘An examination under anaesthesia and bilateral tonsillectomy was performed.’
    • ‘Her clinical course was complicated by bilateral airleak and a cavitary lung lesion.’
    • ‘Chest radiography confirmed bilateral pleural effusions, and her heart was normal size.’
    • ‘The radiologist felt that there was slight bilateral raising of the diaphragm and some blurring at both bases.’
    • ‘It usually predominates on the left side, but may be right sided or bilateral.’
    • ‘She was found to have bilateral temporal field deficits and was referred for a neurological opinion.’
    • ‘We report a case of acute airway obstruction secondary to bilateral broncholiths.’
    • ‘Extensive fibrosis and bilateral nodular lesions can be seen on chest radiographs.’
    • ‘Examine his nose for any obstruction, such as polyps or septal deviation, and whether unilateral or bilateral.’
    • ‘Other causes of unilateral or bilateral parotitis warrant consideration however.’
    • ‘Chest radiography at this time revealed bilateral opacities in both lower lung lobes.’
    • ‘On chest radiography, the hydatid cysts were found to be bilateral in two patients.’
    • ‘Audiological testing showed major bilateral sensorineural hearing loss by 12 weeks.’
    • ‘However, severe side effects may occur, including bilateral necrosis of the hip and gastric ulceration.’
    • ‘A chest examination showed signs of bilateral lobar consolidation of the mid zones.’
    • ‘Mammography, bilateral in patients who had had conservative surgery, was scheduled once a year.’
    • ‘In three instances the muscle was bilateral, and in one on the left side only.’
    1. 1.1Involving two parties, usually countries.
      ‘the recently concluded bilateral agreements with Japan’
      • ‘Yeung said codesharing was possible only if it was agreed under the new bilateral air services agreement.’
      • ‘The bank also has a bilateral borrowing agreement that allows it to tap funding from the Bank of China.’
      • ‘The two sides held bilateral talks on the sidelines but failed to make any progress.’
      • ‘We might be pushing it a bit to get a bilateral agricultural agreement with the French, for example.’
      • ‘Dai said China will strictly enforce the bilateral agreements on the matter, according to the official.’
      • ‘He contended that the House must be involved in the making of any bilateral agreements which binds the country.’
      • ‘The important thing is that we do want to open up our markets to benefit all, and this is a bilateral agreement that puts effect to that.’
      • ‘Countries have instead resorted to bilateral trade agreements in a bid to gain tariff reduction up to zero percent.’
      • ‘Do we make heroes of people who break bilateral or international agreements and embarrass the country?’
      • ‘Austria and Bulgaria have had an official bilateral cultural agreement since 1974.’
      • ‘Security will dominate the agenda of all bilateral agreements between nations.’
      • ‘Another problem posed by bilateral agreements on pensions is the taxation.’
      • ‘It is not easy for third parties to intervene in bilateral contentious litigation.’
      • ‘A bilateral agreement with Mexico allows workers to come to Canada for harvesting and planting.’
      • ‘Both governments are hailing this bilateral agreement as an alternative to the WTO.’
      • ‘All housing activity is done under bilateral agreements with the various states.’
      • ‘A key development was the signing of a bilateral trade agreement with the United States last July.’
      • ‘The Readmission Agreement is the first bilateral agreement of its kind signed by Britain and is due to come into effect this summer.’
      • ‘Mexico is the only country that has not signed a bilateral agreement with China.’
      • ‘Even flights between the UK and the US are dictated by such bilateral agreements.’