Relative abundance


the number of organisms of a particular kind as a percentage of the total number of organisms of a given area or community; the number of birds of a particular species as a percentage of the total bird population of a given area


Read Also:

  • Relative accommodation

    relative accommodation rel·a·tive accommodation (rěl’ə-tĭv) n. The quantity of accommodation required for binocular vision for any distance or for any degree of convergence.

  • Relative address

    noun See absolute address

  • Relative-aperture

    noun, Optics. 1. the ratio of the diameter of a lens, especially a camera lens, to the focal length; the reciprocal of the f number or focal ratio of the lens. relative aperture noun 1. (photog) the ratio of the equivalent focal length of a lens to the effective aperture of the lens; written as […]

  • Relative atomic mass

    noun 1. the ratio of the average mass per atom of the naturally occurring form of an element to one-twelfth the mass of an atom of carbon-12 Ar, r.a.m. Former name atomic weight relative atomic mass (rěl’ə-tĭv) See atomic weight.

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