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nonviable

[non-vahy-uh-buh l]
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adjective
  1. not capable of living, growing, and developing, as an embryo, seed, or plant.
  2. not practicable or workable: a nonviable plan.
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Origin of nonviable

First recorded in 1875–80; non- + viable
Related formsnon·vi·a·bil·i·ty, noun

viability

[vahy-uh-bil-i-tee]
noun
  1. ability to live, especially under certain conditions: The viability of a fetus outside the womb has increased dramatically with the advent of new technologies and procedures.
  2. the capacity to operate or be sustained: The viability of the company was guaranteed by the success of its new product.
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Related formsnon·vi·a·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

non-viability in Medicine

nonviable

(nŏn-vīə-bəl)
adj.
  1. Not capable of living or developing independently. Used especially of an embryo or fetus.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.