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pure line

noun, Genetics.
a uniform strain of organisms that is relatively pure genetically because of continued inbreeding and artificial selection.
Origin of pure line
First recorded in 1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for pure line
Historical Examples
  • But that was the way to use the pure line, and who but Ruskin taught it at the time?

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

  • Repeated selection results in constant improvement until the stock becomes a "pure line" or practically so.

    The Tomato Paul Work
  • It does not matter then which individuals in a pure line are used to breed from, for they all carry the same germ plasm.

  • Simplicity, and pure line, were lost sight of when overabundance dulled the senses of the world.

    Woman as Decoration

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

    Visions and Revisions John Cowper Powys
  • How much would he have given to kiss the pure line of the pathetic mouth!

    The Tree of Knowledge

    Mrs. Baillie Reynolds
  • The line may be of varying form, changing from silhouette to pure line as may best serve to express the design.

    Wood-Block Printing

    F. Morley Fletcher
  • Her head was thrown back, so that her rounded throat stood out, and the pure line of her lower jaw was salient.

  • Truly the designer may find a great range of expression within the dominion of pure line.

    Line and Form (1900) Walter Crane
British Dictionary definitions for pure line

pure line

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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