Definition of dosage in US English:



  • 1The size or frequency of a dose of a medicine or drug.

    ‘a dosage of 450 milligrams a day’
    ‘there are recommendations about dosage for elderly patients’
    • ‘Physicians should expect to increase the insulin dosage as the pregnancy progresses and insulin resistance increases.’
    • ‘Drug dosage recommendations may have to be modified based on estimates of lean body mass.’
    • ‘I have a high dosage of medication so I need to drink always.’
    • ‘They note that the patients in their study used small dosages of aspirin.’
    • ‘Figure 3 shows that the improved control during insulin pump therapy was achieved at a reduced total daily insulin dosage.’
    • ‘A few charts had no data on the dosage and frequency of the drugs administered.’
    • ‘Patients continued using their usual maintenance dosage of inhaled corticosteroid treatment throughout the study.’
    • ‘Doctors routinely access medical databases for drug dosages and interactions.’
    • ‘Elderly patients should be started at lower drug dosages.’
    • ‘The recommended starting dosage is 10 mg once daily.’
    • ‘The suppository dosage form is too strong for small children.’
    • ‘The recommended adult dosage is 900 to 1800 mg per day given as three divided doses.’
    • ‘Or you may be able to take a lower dosage of medication.’
    • ‘And taking them in combination form can effectively increase dosages of some prescription drugs.’
    • ‘Most over-the-counter and prescription drugs list different dosages based on the size of a child or warn not to use the medicine with children.’
    • ‘The recommended adult dosage is 1 mg taken orally twice daily with or without food.’
    • ‘If possible, quantitative recommendations on dosages and dosing intervals should be made.’
    • ‘When writing drug names and dosages, sometimes the name letters and dose numbers run together.’
    • ‘They also serve as guides for determining the proper dosage of certain drugs.’
    • ‘As with street drugs, the dosage and purity of herbal medicines are unknown.’
    amount, number, total, aggregate, sum, quota, group, size, mass, weight, volume, bulk, load, consignment, expanse, extent, length, area
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    1. 1.1 A level of exposure to or absorption of ionizing radiation.
      • ‘The board said that the substance emits very low dosage of radiation, which falls within legal limits.’
      • ‘This method allows irradiation dosages due to low level radiation to be severely underestimated.’
      • ‘The dosage compensation complex cannot accumulate on the male X chromosome in the mutants.’
      • ‘Moving and holding the C-arm unit during fluoroscopy exposes the surgeon's fingers to high dosages of radiation.’
      • ‘Gamma and X-Rays above a particular dosage are downright harmful to unprotected organic tissue.’
      • ‘The radiation dosage to the general public from released gases was less than the amount of exposure from drinking a cup of coffee.’
      • ‘Exposure to large radiation dosages can be lethal, or can lead to cancer and birth defects.’