Definition of irradiate in English:

irradiate

verb

[WITH OBJECT]
  • 1Expose (someone or something) to radiation.

    • ‘The samples were irradiated at the Radiation Center of Oregon State University, USA.’
    • ‘Then, using an electron accelerator, the researchers irradiated the fragments with electron beams.’
    • ‘A2E and cholesterol were incorporated into lipid micelles and irradiated with blue light.’
    • ‘The cells are then irradiated with the laser and the cancer cells are selectively destroyed.’
    • ‘Apparently the US Army spent twenty years trying to make a dirty bomb and they gave up, because they couldn't get it to irradiate anyone.’
    • ‘Cells were blocked in G1 phase by factor treatment and were UV irradiated.’
    • ‘Depending on which elements are being tested for, the samples are irradiated with energetic neutrons.’
    • ‘In LPP, a metal tape target is irradiated with a high-energy laser beam to produce an x-ray-emitting plasma.’
    • ‘Cells were then immediately irradiated with the requisite light dose.’
    • ‘The mixtures on ice were irradiated with UVA.’
    • ‘The cells were irradiated with UVB, and the medium was reapplied to the cells.’
    • ‘Mice were irradiated unrestrained in their boxes, with the wire cage tops removed.’
    • ‘The samples of cellular suspension were irradiated in special glass sample cells.’
    • ‘The suspension was then irradiated with increasing UVA doses under gentle shaking in a controlled temperature bath.’
    • ‘For linkage analysis, self-pollinated progeny of the two plants were UVB irradiated for F 4 progeny testing.’
    • ‘Cultures were immediately irradiated with a UV dose of 27 J / m.’
    • ‘The samples were irradiated at McMaster reactor for 50 hours.’
    • ‘Protein irradiated in the absence of sensitizers did not show any additional bands on the gel.’
    • ‘The cells were then irradiated with white light as described previously.’
    treat with radiation, expose to radiation, x-ray
    View synonyms
    1. 1.1 Expose (food) to gamma rays to kill microorganisms.
      • ‘Frying, baking, canning, drying, irradiating - these all kill enzymes.’
      • ‘Herbs, spices, herbal teas and tropical fruits can now be irradiated under Australian and NZ food guidelines.’
      • ‘There has been talk of evaporative heat and irradiation, but I I doubt New Zealand would accept irradiated fruit.’
      • ‘Cobalt 60 and Cesium 137 are the radiation sources used to irradiate food.’
      • ‘For example, restaurants, schools and hospitals are not required to notify the public if they are serving irradiated foods.’
      • ‘When food is irradiated, a concentrated source of short ionizing energy waves is used.’
      • ‘Most herbs and spices from warm countries, common ingredients in supplements, are irradiated to kill any bacteria from insects or birds which might infect them when they are spread out on floors to be dried.’
      • ‘One hundred plump seeds were irradiated with 35 krad gamma rays.’
      • ‘For example, the industry is still fighting mandatory labels on the irradiated meat products that may appear in supermarkets this summer.’
      • ‘Seeds were imbibed in water for 24 hr and then gamma irradiated at 10 krad.’
      • ‘What about irradiating meat to kill germs (e.coli, etc.)?’
      • ‘The U.S. Department of Agriculture last year approved the use of irradiated ground beef in the National School Lunch Program.’
      • ‘Seeds of wild type and uvh1-2 were gamma irradiated at 10 krad.’
      • ‘I've heard that some foods are now being irradiated.’
      • ‘Now even tofu is likely to be tainted with genetically modified organisms, and your favorite natural tabouli mix may contain irradiated herbs and spices.’
      • ‘Food can be irradiated through a sealed container, sterilizing the contents.’
      • ‘In Britain, food regulations currently allow only herbs, spices and vegetable seasonings to be irradiated.’
      • ‘A further concern is a fear that the facility will be used to irradiate food.’
      • ‘Levels of the carcinogen benzene in irradiated beef were found to be some ten-fold higher than cooked beef.’
      • ‘In fact, American astronauts aboard the Space Shuttle have eaten irradiated beef, pork and smoked turkey.’
  • 2Illuminate (something) by or as if by shining light on it:

    ‘happiness filled her, irradiating her whole face’
    • ‘We are called to be salt and light, preserving and irradiating this dark, decaying world with the grace of God in our Lord Jesus Christ.’
    • ‘The TV irradiates the apartment with a ghostly blue light.’
    • ‘No sooner had I done this, than, with a bright smile irradiating all his features, he fell back upon his pillow and expired.’
    • ‘For the eternal light, irradiating the human mind, makes a certain active impression on it.’
    illuminate, light up, light, brighten, cast light upon, throw light on, shine on, flood with light
    View synonyms

Origin

Late 16th century (in the sense ‘emit rays, shine upon’): from Latin irradiat- shone upon, from the verb irradiare, from in- upon + radiare to shine (from radius ray).

Pronunciation

irradiate

/ɪˈreɪdɪeɪt/