Definition of filtrate in English:



  • A liquid which has passed through a filter.

    • ‘In the majority of the studies we reviewed, the material administered to the animal was the dried filtrate of a water extract that had been prepared from dried leaves.’
    • ‘Mixtures of solution and resin were filtered through a 0.45 m filter and filtrates freeze-dried.’
    • ‘During the gravity filtration the filtrate passes through the filter medium under the combined forces of gravity and capillary attraction between the liquid and the funnel stem.’
    • ‘Then a clear filtrate with no cells or bacteria was used to inoculate another chicken, which would then develop a tumor.’
    • ‘After passage through glass fiber filter paper, the filtrate was concentrated using a rotary vacuum evaporator.’


  • Filter.

    ‘the remaining alkali is filtrated’
    • ‘Shrugging, the teen walked over to the window above the sink: some light had managed to filtrate between the cobwebs and the dust.’
    • ‘Sperm were filtrated and stained on the filter.’
    • ‘So he sighed and let the memories overwhelm him, talking as he went, not filtrating what he said.’
    • ‘It is more normally used to filtrate drinking water and in small amounts is not harmful.’
    • ‘It bubbles up from a great depth and is naturally filtrated, then bottled and hermetically sealed in 19-litre containers.’
    ooze, trickle, exude, drip, dribble, flow, issue, discharge, excrete, escape, leak, drain, bleed, sweat, well, leach, filter, percolate, permeate, soak
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Early 17th century: from modern Latin filtrat- ‘filtered’, from the verb filtrare, from medieval Latin filtrum (see filter).