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pure line

noun, Genetics.
1.
a uniform strain of organisms that is relatively pure genetically because of continued inbreeding and artificial selection.
Origin of pure line
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for pure line
Historical Examples
  • It does not matter then which individuals in a pure line are used to breed from, for they all carry the same germ plasm.

  • But that was the way to use the pure line, and who but Ruskin taught it at the time?

    Ruskin Relics W. G. Collingwood
  • Her head was thrown back, so that her rounded throat stood out, and the pure line of her lower jaw was salient.

  • M. Donnay is skilful, and he emulates Beardsley's wonderful, pure line, without always perfectly attaining to it.

  • They alsoin their placeare "pure line" to use the ardent modern slang, and unpolluted "imaginative suggestion."

    Visions and Revisions John Cowper Powys
  • Repeated selection results in constant improvement until the stock becomes a "pure line" or practically so.

    The Tomato Paul Work
  • For his own contribution he showed the value of the "pure line," such as he had used in his own early drawings.

    The Life of John Ruskin W. G. Collingwood
  • Simplicity, and pure line, were lost sight of when overabundance dulled the senses of the world.

    Woman as Decoration Emily Burbank
  • As soon as the pure line is separated further selection becomes superfluous.

    Mendelism Reginald Crundall Punnett
  • How much would he have given to kiss the pure line of the pathetic mouth!

    The Tree of Knowledge Mrs. Baillie Reynolds
British Dictionary definitions for pure line

pure line

noun
1.
a breed or strain of animals or plants in which certain characters appear in successive generations as a result of inbreeding or self-fertilization
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for pure

6
8
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