Definition of non-viable in English:



  • 1Not feasible or practical:

    ‘non-viable investments’
    • ‘The second point is that the difference between a viable and a non-viable project is generally less than clear-cut.’
    • ‘In other words, the Whitlam policy was clearly non-viable.’
    • ‘The proposed break-up would create three non-viable firms out of one very viable and very profitable company, he said.’
    • ‘The example I had in mind was the contrast between what happened in Japan and Scotland when it became clear that shipbuilding was non-viable because of cheaper competition from abroad.’
    • ‘Recently, there were attempts to absolutize the experience of military conflicts and to promote certain non-viable and even fantastic ideas.’
  • 2Medicine
    (of a fetus or unborn child) unable to survive independently after birth.

    • ‘The third instance of cord torsion resulted in the delivery of a nonviable, 15.5-week, phenotypically female fetus.’
    • ‘By contrast, at least some nonsynonymous mutations are expected to be strongly deleterious because they damage protein structure and thereby render the cell nonviable.’
    • ‘Therefore, as the tissue is processed as a mass, a nucleic acid-based approach usually involves contamination by nonmalignant and nonviable cancer cells.’
    • ‘Some lines were barely fertile, as might be expected if loss of the major autosomes was occurring at a high rate, resulting in the production of nonviable aneuploid embryos.’
    • ‘In this circumstance, the residual tumor is frequently nonviable.’
    • ‘Studies suggest that sputum smears persistently positive despite negative culture results may in some patients be due to nonviable or atypical mycobacteria.’
    • ‘When possible, original seeds collected from wild populations were analysed, but for old and otherwise nonviable seed, seed increase stocks were used.’
    • ‘Nonviable cells typically have a compromised membrane.’
    • ‘Similarly, oncological studies show a dramatic reduction in cancer cells after cell-saver processing, with those remaining cells being nonviable.’
    • ‘I do think that unless the fetus is absolutely nonviable outside the uterus, I'd rather never see it done at all.’
    • ‘The clinical improvement and resolution of radiographic abnormalities observed in this study suggest that the positive smears are due to nonviable mycobacterium.’
    • ‘This method of determining the percentage of living cells is based on the knowledge that viable and nonviable cells differ in their ability to extrude fluorescent dyes.’
    • ‘The T. turgidum nucleus is incompatible with the T. longissimum cytoplasm, producing nonviable progeny.’
    • ‘Degradation of hydrogen peroxide via catalase produced by bacterial cells, including nonviable cells, requires a concerted systems effort by a group of bacteria.’
    • ‘Viable and nonviable seeds can easily be distinguished using a binocular microscope, because the latter lack an embryo, whereas viable seeds contain an embryo.’
    • ‘Following fetal demise in each instance, delivery was medically induced, and a nonviable fetus was delivered without further complication.’
    • ‘The total number of cells exhibiting transport was thus 73%, while the remaining 27% of cells were nonviable.’
    • ‘Since refrigerated seeds last several years you need not worry that any saved seeds two or three years old will become nonviable before its next seed harvest.’
    • ‘He continues with a discussion of the benefits of discarding nonviable embryos, including those that may be premature or result in low birthweight.’
    • ‘These lines were declared extinct if all three consecutive attempts to transfer worms from the backup plate resulted in nonviable worms.’