from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The quality of being even.

from the GNU version of the Collaborative International Dictionary of English

  • n. The state of being ven, level, or disturbed; smoothness; horizontal position; uniformity; impartiality; calmness; equanimity; appropriate place or level.

from The Century Dictionary and Cyclopedia

  • n. The state of being even, level, or smooth; equality of surface: as, the evenness of the ground; the evenness of a fluid at rest.
  • n. Uniformity; regularity; equality: as, evenness of motion.
  • n. Equal distance from either extreme; freedom from inclination to either side; impartiality.
  • n. Calmness; equality of temper; freedom from perturbation; equanimity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the parity of even numbers (divisible by two)
  • n. a quality of uniformity and lack of variation
  • n. the quality of being balanced


Sorry, no etymologies found.


  • But the research by Crowder, an insect ecologist at Washington State University in Pullman, and his colleagues, shows the importance of 'evenness' - the relative abundance of different species.

    Scientific American

  • The researchers focus on the concept of "evenness" -- the relative abundance of different species, including predators and pests, in a farm's ecosystem.

    Grist - the latest from Grist

  • Until now the presumed equal balance between up and down costing just meant no real loss to consumers, business, or government; although some arguments have been put forward that the evenness is a myth and the actual cost of doing this weighs heavily on the spender.

    John Krifka: The Lincoln Plan

  • Species richness is one component of the concept of species diversity, which also incorporates evenness, that is, the relative abundance of species.

    Species richness

  • I don't have the data, but an interesting test would be to collect some measure of 'legislative independence' (initiatives, vetos, who-knows-what-else?) across several policy areas in one country to estimate the 'evenness' of legislative independence.

    La Profesora Abstraida

  • The actual truth lies midway between the "evenness" of Evelyn and the "great hills" of Pepys, and to the man of Wilts that word "Plain" will ever summon up a vision of rolling downs, a short, crisp, elastic turf dotted with flocks, and broken here and there by some crested earthwork or barrow, which rears itself from the undulating Down, and breaks the skyline with its sharp outline.

    Stonehenge Today and Yesterday

  • This is an acceptable, even admirable, homage to the virtue of "evenness" as we seek to deter violence by a few, mostly Middle Eastern, young men.

    Redskins Insider Podcast -- The Washington Post

  • Crowder and colleagues here and at the University of Georgia use the term "evenness" to describe the relatively equal abundance of different species in an ecosystem. - latest science and technology news stories

  • This is an acceptable, even admirable, homage to the virtue of "evenness" as we seek to deter violence by Chronicle

  • "evenness" as we seek to deter violence by a few, mostly Middle Eastern, young men. - News


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