Definition of aliquot in English:



  • 1A portion of a larger whole, especially a sample taken for chemical analysis or other treatment.

    ‘an aliquot was examined daily for the appearance of cholesterol monohydrate crystals’
    • ‘The filtrate was discarded and the recovered retentate was divided into two equal aliquots.’
    • ‘The remaining aliquot was plated to solid medium to determine the transformation efficiency for the experiment.’
    • ‘Four times over this time period aliquots of cells were sampled to assay.’
    • ‘Lipid aliquots were transferred to vials where the bulk of the chloroform was removed with a stream of argon.’
    • ‘An aliquot was removed for analysis.’
    • ‘Sample aliquots were frozen and stored for later analyses.’
    • ‘The pellets were resuspended and two aliquots withdrawn for analysis.’
    • ‘After mixing and centrifugation, aliquots of the acetic acid phase were injected onto a Chromatographic system for quantitation of catecholamines.’
    • ‘Quantitative sputum culture was then performed on an aliquot of the sample as described previously.’
    • ‘Serum was divided into aliquots to metal-free plastic tubes and stored at -30 degrees C until use.’
    • ‘Each sample was then divided into two aliquots which were subsequently treated separately as described below.’
    • ‘The cultures were divided into two aliquots, one of which was irradiated while the other one was left untreated.’
    • ‘We switched to individual aliquots of buffer solution, prepared in single-use tubes.’
    • ‘The aqueous phase was recovered and for each sample 2 ml aliquots were evaporated to dryness in a freeze drier.’
    • ‘Each pool was divided into three aliquots and a sufficient quantity of CPG was added to one aliquot.’
    • ‘The cooled, clear digest was diluted to 20 ml with distilled water, filtered, and aliquots were taken for analyses.’
    • ‘Sample digestion for Hg analysis was conducted separately, using 5 g aliquots of homogenized samples.’
    • ‘Appropriate aliquots of lipid stock solutions (generally in chloroform) were placed in a vial and excess solvent removed under an argon stream.’
    • ‘After incubation, the assay solution with roots was filtered and a 1 mL aliquot from each sample was removed to a new tube.’
    • ‘The aliquots drawn daily were examined for haemolysin activity during storage.’
    1. 1.1Mathematics A quantity which can be divided into another a whole number of times.
      • ‘He is saying that you may not find an aliquot part of the income of a particular year used to defray one of the expenses referred to in paragraph 61.’
      • ‘Suppose that, in modern notation, S denotes the sum of the aliquot parts of n, that is the sum of its proper quotients.’
      • ‘Note that 10 is not an aliquot part of 10 since it is not a proper quotient, i.e. a quotient different from the number itself.’
      • ‘‘Any citizen who doubts this,’ Rothbard suggested, ‘may try to appropriate for his own individual use his aliquot part of ‘public’ property and then try to argue his case in court.’’
      • ‘As he put it, ‘Any member of the ‘public’ who thinks he owns the property may test this theory by trying to appropriate for his own individual use his aliquot part of government property.’’


  • Divide (a whole) into aliquots.

    ‘this solution was then aliquoted for three separate mass spectrometer analyses’
    • ‘The inoculum was aliquoted into sterile, 8-mL, screw-cap glass vials.’
    • ‘The final product was aliquoted and stored at - 80°C until the analysis.’
    • ‘The suspension was vortexed for 5 minutes, sonicated for 30 seconds and aliquoted into 100-litre samples (AVs).’
    • ‘Reagents were aliquoted and each aliquot was used only once.’
    • ‘Where appropriate a master mix of PCR reaction components was made and aliquoted into individual reactions.’
    • ‘Dust was sieved, aliquoted into 100-mg lots, and then frozen at - 80°C before indoor allergen and endotoxin assays.’
    • ‘It was dissolved in 5% dextrose at 1.0 mg/mL and aliquoted into tubes and stored at - 20 deg C.’
    • ‘After 10 min of incubation at room temperature, 1.25 ml of solubilized extracts were aliquoted into 1.7-ml microcentrifuge tubes.’
    • ‘Blood was immediately placed on ice, spun within 2 hours and aliquoted at - 80 degrees.’
    • ‘The DNase-treated RNA was precipitated, quantitated and aliquoted.’
    • ‘Serum was removed and aliquoted into labeled containers.’
    • ‘All specimens were mixed well prior to aliquoting.’
    • ‘A unit of packed red blood cells aliquoted into two bags was ordered for transfusion.’
    • ‘This included a separate area for pre-PCR manipulations, dedicated air-displacement pipettes, barrier tips, and aliquoted stocks.’
    • ‘Samples were centrifuged for 2 min and the supernatant aliquoted and stored at - 80'C until use.’
    • ‘Following etherization, flies were aliquoted into groups of 20, placed into vials, and allowed 1 day for recovery from etherization.’
    • ‘The remaining pellets were dissolved in 1 ml water and aliquoted to a concentration of 100 ng/ml for further use.’
    • ‘The solution was then aliquoted into individual 435-l volumes.’
    • ‘The IP pellet was resuspended in final wash buffer and aliquoted for subsequent biochemical analyses.’
    • ‘From each patient, 6-10 ml of venous blood was drawn and aliquoted in plain tubes without anticoagulant.’


Late 16th century: from French aliquote, from Latin aliquot some, so many, from alius one of two + quot how many.